AR-15 Complete Uppers

AR-15 Complete Uppers

A high-quality AR-15 Complete Upper is crucial when assembling or upgrading your rifle, directly influencing accuracy, reliability, and overall performance. Our collection features premium AR-15 complete uppers designed for effortless integration, precision accuracy, and consistent function. Each complete upper receiver includes all essential components to quickly finalize your AR-15 build—such as barrels, handguards, gas systems, bolt carrier groups (BCGs), charging handles, and muzzle devices.

Whether embarking on your first AR-15 build or enhancing your current setup, our complete uppers simplify the process and deliver exceptional results. Every component is manufactured to exact specifications from superior-quality materials, ensuring durability and dependable performance even under demanding conditions. These complete uppers are fully compatible with mil-spec lower receivers and facilitate seamless, hassle-free assembly.

Streamline your next AR-15 project—choose from industry-leading brands renowned for quality, precision, and reliability.

Key Features:

  • Complete uppers fully assembled with essential components
  • Precision-machined for exact fit and optimal performance
  • Durable, corrosion-resistant construction
  • Mil-spec compatibility ensures seamless integration
  • Easy-to-install design ideal for new builds or upgrades
  • Available in various calibers and configurations to match your needs

Technical Specifications:

  • Compatibility: Mil-spec AR-15 Lower Receivers
  • Barrel Material: Chrome Moly Vanadium Steel or Stainless Steel
  • Barrel Length Options: 10.5", 14.5", 16", 18", 20"
  • Gas System: Carbine, Mid-length, Rifle-length (varies by configuration)
  • Finish: Corrosion-resistant coatings (Nitride, Phosphate, Stainless Steel)
  • Components Included: Barrel, Upper Receiver, Handguard, Bolt Carrier Group (BCG), Charging Handle, Gas Block & Tube, Muzzle Device

From first-time AR-15 enthusiasts to experienced sharpshooters, our AR-15 Complete Uppers deliver simplicity, dependability, and precision you can trust. Build your rifle right first with a premium upper from our trusted selection.

Frequently Asked Questions (FAQs):

Q: What components are included in an AR-15 complete upper?

A: A complete AR-15 upper typically includes the upper receiver, barrel, handguard, gas block, gas tube, bolt carrier group (BCG), charging handle, and muzzle device.

Q: Are AR-15 complete uppers compatible with all lower receivers?

A: Our AR-15 complete uppers are fully compatible with standard mil-spec AR-15 lower receivers.

Q: Do I need specialized tools to install an AR-15 complete upper?

A: No special tools are required. Installation typically involves just the takedown and pivot pins, allowing for quick and easy assembly.

Q: How long does it take to install a complete AR-15 upper?

A: Installation is quick and straightforward, often taking just a few minutes, even for beginners.

Q: Can I upgrade or customize components of my complete upper later?

A: Absolutely. Many AR-15 enthusiasts begin with a complete upper and later upgrade individual components like barrels, handguards, BCGs, or muzzle devices based on their specific preferences and shooting needs.

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  • Out of stock
    Daniel Defense 5.56 NATO 11.5" 1:7 Contract Overrun Upper Receiver w/DD4 7.0 Handguard

    Daniel Defense 5.56 NATO 11.5" 1:7 Contract Overrun Upper Receiver w/DD4 7.0 Handguard

    Daniel Defense

    MSRP: $1,099.00
    $899.00
    Daniel Defense 5.56 NATO 11.5" 1:7 Contract Overrun Upper Receiver w/DD4 7.0 Handguard The Contract Overrun upper receiver group is built for maximum maneuverability with its 11.5" Government-profile barrel and Carbine length gas system, ensuring smooth...
    MSRP: $1,099.00
    $899.00
    Qty in Cart: 0
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    MSRP: $1,099.00
    $899.00
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  • 10.5" 5.56 NATO Pistol Upper Assembly

    10.5" 5.56 NATO Pistol AR-15 Complete Upper Assembly

    Black Rifle Depot

    MSRP: $329.95
    $289.95
      10.5" 5.56 NATO Pistol Upper Assembly This Black Rifle Depot 10.5" 5.56 NATO Pistol Upper Assembly comes equipped with a 10.5" 5.56 NATO barrel with A2 Flash Hider. Covering those with a 10" M-Lok Handguard and a Limited Lifetime Warranty...
    MSRP: $329.95
    $289.95
    Qty in Cart: 0
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    MSRP: $329.95
    $289.95
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  • Out of stock
    DIRTY BIRD INDUSTRIES Dirty Bird 10.5″ 5.56 M-LOK AR 15 Complete Upper, AR 15 Pistol Upper, AR 15 Pistol, AR15 Pistol Upper, AR 15 Complete Pistol Upper, AR 15 Complete Upper, AR15 Upper, AR 15 Upper Assembly, AR 15 Complete Upper Assembly, Barreled AR 15 Upper

    Dirty Bird 10.5" 5.56 M-LOK AR 15 Upper Assembly

    Dirty Bird Industries

    MSRP: $444.95
    $419.95
    Dirty Bird 10.5″ 5.56 M-LOK AR 15 Upper Assembly This Dirty Bird Industries Upper Assembly features a Black Nitride 10.5” Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier Forged Upper Receiver and...
    MSRP: $444.95
    $419.95
    Qty in Cart: 0
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    MSRP: $444.95
    $419.95
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  • 10.5" 5.56 Gov / SOCOM Carbine M-LOK Upper Assembly

    10.5" 5.56 Gov / SOCOM Carbine M-LOK AR 15 Complete Upper Assembly

    Black Rifle Depot

    MSRP: $329.95
    $299.95
    10.5" 5.56 Gov / SOCOM Carbine M-LOK Upper Assembly The 10.5" 5.56 Gov/SOCOM Carbine M-LOK Upper Assembly is crafted with top-tier components to ensure flawless performance. Built on a mil-spec forged upper receiver, it features a robust steel gas block,...
    MSRP: $329.95
    $299.95
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    MSRP: $329.95
    $299.95
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  • Out of stock
    Black Rifle Depot 11.5″ Slick Side Billet 5.56 Pistol M-LOK Upper Assembly, AR15 Upper, AR Upper, AR 15 Upper

    11.5" Slick Side Billet 5.56 Pistol M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $359.95
    $329.95
    11.5" Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly An affordable pistol upper assembly without cutting corners. This means using a nitrided steel gas block from an American Manufacturer as opposed to aluminum and quality American Made...
    MSRP: $359.95
    $329.95
    Qty in Cart: 0
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    MSRP: $359.95
    $329.95
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  • 16″ 5.56 Black Nitride Carbine M-LOK Government Upper Assembly

    16″ 5.56 Black Nitride Carbine M-LOK Government Upper Assembly

    Black Rifle Depot

    MSRP: $309.99
    $249.95
    16″ 5.56 Black Nitride Carbine M-LOK Government Upper Assembly Engineered for reliable performance in a compact package, the 16″ 5.56 Black Nitride Carbine M-LOK Government Upper Assembly is ideal for builders who want battle-ready quality...
    MSRP: $309.99
    $249.95
    Qty in Cart: 0
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    MSRP: $309.99
    $249.95
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  • Out of stock
    Charles Daly AR 410 Complete Upper

    Charles Daly AR 410 Complete Upper

    Charles Daly

    MSRP: $459.99
    $424.95
    Charles Daly AR 410 Complete Upper Experience versatility and power with the Charles Daly .410 AR 15 Complete Upper. Perfect for hunting, home defense, and range shooting, this upper allows you to take your AR 15 to the next level. The .410 bore provides...
    MSRP: $459.99
    $424.95
    Qty in Cart: 0
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    MSRP: $459.99
    $424.95
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  • 16" 5.56 Gov / SOCOM 1:8 Carbine M-LOK Upper Assembly

    16" 5.56 Gov / SOCOM 1:8 Carbine M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $324.95
    $289.95
    16" 5.56 Gov / SOCOM 1:8 Carbine M-LOK Upper Assembly Reliable, Precision-Made Upper for AR-15 Builds Built with precision and durability, the 16" 5.56 Gov / SOCOM 1:8 Carbine M-LOK Upper Assembly is crafted for shooters seeking reliable performance and...
    MSRP: $324.95
    $289.95
    Qty in Cart: 0
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    MSRP: $324.95
    $289.95
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  • 16" M4 Carbine 1:8 M-LOK Upper Assembly - Black

    16" M4 Carbine 1:8 M-LOK Upper Assembly - Black

    Black Rifle Depot

    MSRP: $329.95
    $259.95
    16" M4 Carbine 1:8 M-LOK Upper Assembly - Black Classic M4 styling with modern modularity. The 16" M4 Carbine 1:8 M-LOK Upper Assembly – Black is a well-rounded, duty-grade solution built for shooters who value reliability, consistency, and...
    MSRP: $329.95
    $259.95
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    MSRP: $329.95
    $259.95
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  • DIRTY BIRD INDUSTRIES Dirty Bird 10.5″ 5.56 M-LOK AR 15 Upper Assembly FDE, AR 15 Pistol Upper, AR 15 Pistol, AR15 Pistol Upper, AR 15 Complete Pistol Upper, AR 15 Complete Upper, AR15 Upper, AR 15 Upper Assembly, AR 15 Complete Upper Assembly, Barreled AR 15 Upper

    Dirty Bird 10.5" 5.56 M-LOK AR 15 Upper Assembly (FDE)

    Dirty Bird Industries

    $419.95
    Dirty Bird 10.5″ 5.56 M-LOK AR 15 Complete Upper This Dirty Bird Industries Complete Upper features a Black Nitride 10.5” Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier Forged Upper Receiver and finished...
    $419.95
    Qty in Cart: 0
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    $419.95
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  • Out of stock
    DIRTY BIRD INDUSTRIES Dirty Bird 10.5″ 5.56 M-LOK AR 15 Upper Assembly OD Green, AR 15 Pistol Upper, AR 15 Pistol, AR15 Pistol Upper, AR 15 Complete Pistol Upper, AR 15 Complete Upper, AR15 Upper, AR 15 Upper Assembly, AR 15 Complete Upper Assembly, Barreled AR 15 Upper

    Dirty Bird 10.5" 5.56 M-LOK AR 15 Upper Assembly (OD Green)

    Dirty Bird Industries

    MSRP: $464.95
    $419.95
    Dirty Bird 10.5″ 5.56 M-LOK AR 15 Complete Upper This Dirty Bird Industries Complete Upper features a Black Nitride 10.5” Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier Forged Upper Receiver and finished...
    MSRP: $464.95
    $419.95
    Qty in Cart: 0
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    MSRP: $464.95
    $419.95
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  • 16" Carbine 5.56 NATO 1:7 Complete Upper

    16" Carbine 5.56 NATO 1:7 Complete Upper

    Black Rifle Depot

    MSRP: $389.95
    $329.95
    16" Carbine 5.56 NATO 1:7 Complete Upper Who doesn't like a nice quad rail This upper also features a 16" BCA barrel chambered in 5.56 NATO with a 1:7 twist and a carbine length gas system. This upper uses a nitrided steel gas block from APOC Armory as...
    MSRP: $389.95
    $329.95
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    $329.95
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  • Out of stock
    Aero Precision AR-15 16" 5.56 Complete Upper w/ Pinned FSB, MOE SL Carbine - FDE

    Aero Precision 16" 5.56 AR-15 Complete Upper w/ Pinned FSB, MOE SL Carbine - FDE

    Aero Precision

    MSRP: $395.00
    $346.95
    Aero Precision AR-15 16" 5.56 Complete Upper w/ Pinned FSB, MOE SL Carbine - FDE This AR15 Complete Upper features a 16" 5.56 Carbine Barrel w/ Pinned FSB and Magpul™ MOE SL® Carbine Handguard Upper Features: Upper: Standard AR15 Upper...
    MSRP: $395.00
    $346.95
    Qty in Cart: 0
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    MSRP: $395.00
    $346.95
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  • Out of stock
    AERO PRECISION 10.5 Aero Precision M4E1-T Complete Upper, AR 15 Pistol Upper, AR 15 Pistol, AR15 Pistol Upper, AR 15 Complete Pistol Upper, AR 15 Complete Upper, AR15 Upper, AR 15 Upper Assembly, AR 15 Complete Upper Assembly, Barreled AR 15 Upper

    Aero Precision M4E1-T Complete Upper, 10.5" 5.56 Barrel, 9" M-LOK ATLAS S-ONE HG - Anodized

    Aero Precision

    MSRP: $595.00
    $514.95
    Aero Precision M4E1-T Complete Upper, 10.5" 5.56 Barrel, 9" M-LOK ATLAS S-ONE HG - Anodized Lightweight, Durable, and Built for Performance The Aero Precision M4E1-T Complete Upper with a 10.5" 5.56 Barrel and the advanced 9" M-LOK ATLAS S-ONE Handguard...
    MSRP: $595.00
    $514.95
    Qty in Cart: 0
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    MSRP: $595.00
    $514.95
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  • Out of stock
    DIRTY BIRD INDUSTRIES Dirty Bird 10.5″ 5.56 M-LOK AR 15 Upper Assembly Midnight Bronze, AR 15 Pistol Upper, AR 15 Pistol, AR15 Pistol Upper, AR 15 Complete Pistol Upper, AR 15 Complete Upper, AR15 Upper, AR 15 Upper Assembly, AR 15 Complete Upper Assembly, Barreled AR 15 Upper

    Dirty Bird 10.5" 5.56 M-LOK AR 15 Upper Assembly (Midnight Bronze)

    Dirty Bird Industries

    MSRP: $464.95
    $419.95
    Dirty Bird 10.5″ 5.56 M-LOK AR 15 Complete Upper This Dirty Bird Industries Complete Upper features a Black Nitride 10.5” Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier Forged Upper Receiver and finished...
    MSRP: $464.95
    $419.95
    Qty in Cart: 0
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    MSRP: $464.95
    $419.95
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  • Out of stock
    10.5″ Slick Side Billet 5.56 Nitride Carbine M-LOK Upper Assembly

    10.5" Slick Side Billet 5.56 Nitride Carbine M-LOK AR-15 Complete Upper Assembly

    Black Rifle Depot

    MSRP: $299.95
    $249.95
    10.5" Slick Side Billet 5.56 Nitride Carbine M-LOK Upper Assembly Precision and Durability for Compact AR-15 Builds Enhance your AR-15 with the 10.5" Slick Side Billet 5.56 Nitride Carbine M-LOK Upper Assembly. This high-quality assembly combines a sleek...
    MSRP: $299.95
    $249.95
    Qty in Cart: 0
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    MSRP: $299.95
    $249.95
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  • Aero Precision AR-15 16" 5.56 Carbine Complete Upper w/ Pinned FSB, MOE Carbine - Black

    Aero Precision 16" 5.56 Carbine AR-15 Complete Upper w/ Pinned FSB, MOE Carbine - Black

    Aero Precision

    MSRP: $455.00
    $389.95
    Aero Precision AR-15 16" 5.56 Carbine Complete Upper w/ Pinned FSB, MOE Carbine - Black The Aero Precision AR-15 16" 5.56 Carbine Complete Upper is a top-tier component designed for durability and performance. It features a 16" 5...
    MSRP: $455.00
    $389.95
    Qty in Cart: 0
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    MSRP: $455.00
    $389.95
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  • Out of stock
    Aero Precision M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS R-ONE M-LOK HG - Anodized Black

    Aero Precision M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS R-ONE M-LOK HG - Anodized Black

    Aero Precision

    MSRP: $615.00
    $535.95
    Aero Precision M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS R-ONE M-LOK HG - Anodized Black This complete upper includes our ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind,...
    MSRP: $615.00
    $535.95
    Qty in Cart: 0
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    MSRP: $615.00
    $535.95
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  • Out of stock
    Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - Black - 16"

    Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - Black - 16"

    Geissele Automatics

    $1,260.00
    Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - Black - 16" The Geissele Super Duty Upper (Complete) features the latest in weapon technology available exclusively from Geissele Automatics. This 16” complete upper...
    $1,260.00
    Qty in Cart: 0
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    $1,260.00
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  • Out of stock
    Aero Precision M4E1 Threaded Complete Upper, 10.5" 5.56 Barrel, 9" M-LOK ATLAS S-ONE Handguard - FDE Cerakote

    Aero Precision M4E1 Threaded Complete Upper, 10.5" 5.56 Barrel, 9" M-LOK ATLAS S-ONE Handguard - FDE Cerakote

    Aero Precision

    MSRP: $635.00
    $541.95
    Aero Precision M4E1 Threaded Complete Upper, 10.5" 5.56 Barrel, 9" M-LOK ATLAS S-ONE Handguard - FDE Cerakote With this complete upper receiver, you can finish your new build with confidence that you can handle any situation or that you're over-equipped...
    MSRP: $635.00
    $541.95
    Qty in Cart: 0
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    MSRP: $635.00
    $541.95
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  • Out of stock
    Aero Precision M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel, 10.3" ATLAS R-ONE M-LOK HG - FDE Cerakote

    Aero Precision M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel, 10.3" ATLAS R-ONE M-LOK HG - FDE Cerakote

    Aero Precision

    MSRP: $650.00
    $569.95
    Aero Precision M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel, 10.3" ATLAS R-ONE M-LOK HG - FDE Cerakote This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE line of handguards are designed with size and weight in mind, providing the...
    MSRP: $650.00
    $569.95
    Qty in Cart: 0
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    MSRP: $650.00
    $569.95
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  • Out of stock
    16" 300 BLK Nitride Carbine M-LOK Upper Assembly

    16" 300 BLK Nitride Carbine M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $319.95
    $284.95
    16" 300 BLK Nitride Carbine M-LOK Upper Assembly A quality 300 BLK upper assembly without cutting corners. This means starting with a top tier mil-spec forged upper receiver, using a nitrided steel gas block as opposed to phosphate or aluminum, quality...
    MSRP: $319.95
    $284.95
    Qty in Cart: 0
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    MSRP: $319.95
    $284.95
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  • Aero Precision AR-15 Complete Upper, 10.5" 5.56 Carbine Barrel w/ Pinned FSB, MOE Carbine - FDE

    Aero Precision AR-15 Complete Upper, 10.5" 5.56 Carbine Barrel w/ Pinned FSB, MOE Carbine - FDE

    Aero Precision

    MSRP: $435.00
    $374.95
    Aero Precision AR-15 Complete Upper, 10.5" 5.56 Carbine Barrel w/ Pinned FSB, MOE Carbine - FDE This AR15 Complete Upper features a 10.5" 5.56 Carbine Barrel w/ Pinned FSB Magpul™ MOE® M-LOK® Carbine Handguard Features: Upper: Standard...
    MSRP: $435.00
    $374.95
    Qty in Cart: 0
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    MSRP: $435.00
    $374.95
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  • Out of stock
    Aero Precision AR15 Complete Upper 16" 5.56 Carbine Barrel w/ Pinned FSB M4 Handguard (Includes BCG & CH)

    Aero Precision AR15 Complete Upper 16" 5.56 Carbine Barrel w/ Pinned FSB M4 Handguard (Includes BCG & CH)

    Aero Precision

    MSRP: $535.00
    $459.95
    Aero Precision AR-15 Complete Upper 16" 5.56 Carbine Barrel w/ Pinned FSB M4 Handguard (Includes BCG & CH) Complete AR-15 Upper with 16" Barrel, Pinned Front Sight Base, M4 Handguard, BCG, and Charging Handle Engaging Introduction:The Aero Precision...
    MSRP: $535.00
    $459.95
    Qty in Cart: 0
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    MSRP: $535.00
    $459.95
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  • Aero Precision AR15 Complete Upper 20" 5.56 w/ Pinned FSB & MOE Handguard - FDE

    Aero Precision AR15 Complete Upper 20" 5.56 w/ Pinned FSB & MOE Handguard - FDE

    Aero Precision

    MSRP: $485.00
    $413.95
    Aero Precision AR15 Complete Upper 20" 5.56 w/ Pinned FSB & MOE Handguard - FDE The 20" barreled AR15 chambered in 5.56 NATO has a lot going for it, high velocity, gentle recoil impulse, increased reliability, longer service life, is easier to...
    MSRP: $485.00
    $413.95
    Qty in Cart: 0
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    MSRP: $485.00
    $413.95
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  • Out of stock
    Black Rain Ordnance 16 5.56 NATO Complete Upper W/A2 Fixed Sight

    Black Rain Ordnance 16" 5.56 NATO Complete Upper W/A2 Fixed Sight

    Black Rain Ordnance

    $599.00
    Black Rain Ordnance 16" 5.56 NATO Complete Upper W/ A2 Fixed Sight The Black Rain Ordnance 16" 5.56 NATO complete AR 15 upper with fixed front A2 sight comes complete and ready to mount to your lower of choice. These AR 15 complete uppers come with Black...
    $599.00
    Qty in Cart: 0
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    $599.00
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  • Out of stock
    Geissele URGI CHF Barrel 5.56 Complete Upper Assembly Black/DDC Anodized-MK16 HG

    Geissele URGI CHF Barrel 5.56 Complete Upper Assembly Black/DDC Anodized-MK16 HG

    Geissele Automatics

    $1,450.00
    Geissele URGI CHF Barrel 5.56 Complete Upper Assembly Black/DDC Anodized-MK16 HG For more than 50 years the famed silhouette of the M16/M4 has only had one major and several minor changes. Barrel lengths and buttstocks have changed, but more or less the...
    $1,450.00
    Qty in Cart: 0
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    $1,450.00
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  • Out of stock
    Sons Of Liberty Gun Works East India Starter Kit 5.56 Barreled Upper w/ FSB - 10.5"

    Sons Of Liberty Gun Works East India Starter Kit 5.56 Barreled Upper w/ FSB - 10.5"

    Sons of Liberty Gun Works

    MSRP: $525.00
    $498.75
    Sons Of Liberty Gun Works East India Starter Kit 5.56 Barreled Upper w/ FSB - 10.5" At Sons of Liberty Gun Works they believe in Quality Mil-Spec or better parts. SOLGW believes there is no substitute for quality and that your gun should be built right...
    MSRP: $525.00
    $498.75
    Qty in Cart: 0
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    MSRP: $525.00
    $498.75
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  • 10.3" Carbine 5.56 Government M-LOK Upper Assembly

    10.3" Carbine 5.56 Government M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $329.99
    $299.95
    10.3" Carbine 5.56 Government M-LOK Upper Assembly Built for short-barrel performance without cutting corners. The 10.3" 5.56 Government M-LOK Upper Assembly is a compact, hard-use option built for reliability and consistent performance. It features a...
    MSRP: $329.99
    $299.95
    Qty in Cart: 0
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    MSRP: $329.99
    $299.95
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  • 10.5" 7.62x39 Medium Carbine M-LOK Upper Assembly

    10.5" 7.62x39 Medium Carbine M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $299.99
    $279.95
    10.5" 7.62x39 Medium Carbine M-LOK Upper Assembly Big-bore performance in a compact, American-made upper. The 10.5" 7.62x39 Upper Assembly delivers reliable, short-barrel performance with serious punch. Built on a mil-spec forged upper, it features a...
    MSRP: $299.99
    $279.95
    Qty in Cart: 0
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    MSRP: $299.99
    $279.95
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  • 14.5" 5.56 Phosphate + Chrome Lined Carbine M-LOK M4 Upper Assembly

    14.5" 5.56 Phosphate + Chrome Lined Carbine M-LOK M4 Upper Assembly

    Black Rifle Depot

    MSRP: $299.99
    $249.99
    14.5" 5.56 Phosphate + Chrome Lined Carbine M-LOK M4 Upper Assembly Compact. Chrome-lined. Built to perform. The 14.5" 5.56 Phosphate + Chrome Lined Carbine M-LOK M4 Upper Assembly is a rugged, no-compromise upper built for reliable performance in...
    MSRP: $299.99
    $249.99
    Qty in Cart: 0
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    MSRP: $299.99
    $249.99
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  • 16" 5.56 Phosphate Carbine M-LOK Heavy Upper Assembly

    16" 5.56 Phosphate Carbine M-LOK Heavy Upper Assembly

    Black Rifle Depot

    MSRP: $299.99
    $249.95
    16" 5.56 Phosphate Carbine M-LOK Heavy Upper Assembly Heavy-duty strength. American-made precision. The 16" 5.56 Phosphate Carbine M-LOK Heavy Upper Assembly is built for shooters who prioritize strength, reliability, and long-term performance. Anchored...
    MSRP: $299.99
    $249.95
    Qty in Cart: 0
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    MSRP: $299.99
    $249.95
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  • 16" 5.56 Phosphate Carbine M-LOK M4 Upper Assembly

    16" 5.56 Phosphate Carbine M-LOK M4 Upper Assembly

    Black Rifle Depot

    MSRP: $349.99
    $294.95
    16" 5.56 Phosphate Carbine M-LOK M4 Upper Assembly Battle-Tested Reliability with Classic M4 Styling – Built for Everyday Performance. The 16" 5.56 Phosphate Carbine M-LOK M4 Upper Assembly brings together rugged design and proven functionality,...
    MSRP: $349.99
    $294.95
    Qty in Cart: 0
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    MSRP: $349.99
    $294.95
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  • Out of stock
     Colt EPR 11.5" 5.56 Upper Kit

    Colt EPR 11.5" 5.56 Upper Kit

    Colt Manufacturing

    $1,299.99
    Colt EPR 11.5" 5.56 Upper Kit The Colt EPR 11.5" 5.56 Upper Kit is a convenient and practical upper receiver ready to be attached to your AR-15 lower receiver. The kit includes a chrome-lined barrel with a 1:7 twist, a button-rifled barrel, and a...
    $1,299.99
    Qty in Cart: 0
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    $1,299.99
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  • Out of stock
     Luth-AR 11.5" Lightweight Complete Upper

    Luth-AR 11.5" Lightweight Complete Upper

    Luth-AR

    $414.99
    Luth-AR 11.5" Lightweight Complete Upper The Luth-AR 11.5" Lightweight AR 15 Complete Upper is the ultimate upgrade for your AR-15 platform. This assembly features an 11.5" 5.56mm lightweight barrel from 4150 Chrome Molly with a 1-9" twist, mated to a...
    $414.99
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    $414.99
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  • 12.5" 5.56 NATO Government Carbine M-LOK Upper Assembly

    12.5" 5.56 NATO Government Carbine M-LOK AR-15 Complete Upper Assembly

    Black Rifle Depot

    MSRP: $329.95
    $299.95
    12.5" 5.56 NATO Government Carbine M-LOK Upper Assembly High-Quality Performance with Precision Craftsmanship Experience unmatched reliability and performance with the 12.5" 5.56 NATO Government Carbine M-LOK Upper Assembly. Built with premium components...
    MSRP: $329.95
    $299.95
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    MSRP: $329.95
    $299.95
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  • Out of stock
    16" 5.56 Phosphate Carbine M-LOK Government Upper Assembly

    16" 5.56 Phosphate Carbine M-LOK Government Upper Assembly

    Black Rifle Depot

    MSRP: $314.99
    $259.95
    16" 5.56 Phosphate Carbine M-LOK Government Upper Assembly No shortcuts. Just rock-solid reliability and accuracy. The 16" 5.56 Phosphate Carbine M-LOK Government Upper Assembly delivers dependable, sub-MOA performance using carefully selected components...
    MSRP: $314.99
    $259.95
    Qty in Cart: 0
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    $259.95
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  • Out of stock
    AERO Precision 10.5" AR 15 Upper W/A2 Front Sight - FDE

    AERO Precision 10.5" AR-15 Complete Upper W/A2 Front Sight - FDE

    Aero Precision

    MSRP: $435.00
    $376.95
    AERO Precision 10.5" AR 15 Upper W/A2 Front Sight - FDE The AERO Precision 10.5" AR 15 Upper with A2 Front Sight in FDE is a versatile and reliable option for your AR-15 build. It features a standard AR15 upper receiver and a 10.5" 5.56 carbine barrel...
    MSRP: $435.00
    $376.95
    Qty in Cart: 0
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    MSRP: $435.00
    $376.95
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  • Aero Precision M4E1 Threaded 11.5" 5.56 R-ONE Complete Upper - Anodized Black

    Aero Precision M4E1 Threaded 11.5" 5.56 R-ONE AR-15 Complete Upper - Anodized Black

    Aero Precision

    MSRP: $610.00
    $522.95
    Aero Precision M4E1 Threaded 11.5" 5.56 R-ONE Complete Upper - Anodized Black This AR complete upper includes our new ATLAS R-ONE Handguard! The R-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your...
    MSRP: $610.00
    $522.95
    Qty in Cart: 0
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    $522.95
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  • Out of stock
    Aero Precision M4E1 Threaded Barreled Upper 5.56 Carbine Length ATLAS R-One - 16"

    Aero Precision M4E1 Threaded Barreled Upper 5.56 Carbine Length ATLAS R-One - 16"

    Aero Precision

    MSRP: $645.00
    $559.95
    Aero Precision M4E1 Threaded Barreled Upper 5.56 Carbine Length ATLAS R-One - 16" This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper...
    MSRP: $645.00
    $559.95
    Qty in Cart: 0
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    MSRP: $645.00
    $559.95
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What Is an AR-15 Complete Upper?

An AR-15 Complete Upper includes all the upper receiver components pre-assembled, saving you time and effort. These components typically include:

  • Upper receiver
  • Barrel
  • Gas system
  • Handguard
  • Bolt Carrier Group (BCG)
  • Charging handle

Purchasing a complete AR-15 upper is an excellent way to ensure compatibility and quality without the hassle of assembling individual parts. Many shooters prefer this route for convenience and reliability.

Why Choose AR-15 Complete Uppers?

Choosing an AR-15 complete upper has several benefits:

  1. Ease of Use: Complete uppers eliminate the guesswork of assembling parts, making them ideal for beginners and experienced users.
  2. Performance Assurance: Pre-assembled uppers are often tested for quality, ensuring optimal performance right out of the box.
  3. Customization Potential: Pairing a complete upper with your choice of lower allows for a personalized firearm tailored to your shooting style.

Types of AR-15 Complete Uppers for Sale

Our collection features a variety of AR-15 complete uppers, ensuring something for every shooter. Here are some popular options:

  1. Aero Precision Complete Uppers: Renowned for its reliability and durability, Aero offers premium uppers ideal for tactical and recreational shooting.
  2. AR-15 Complete Uppers 5.56/.223: Designed for the most common calibers, these uppers are perfect for various applications, from target shooting to home defense.
  3. Complete AR-15 Upper with Bolt Carrier Group: These come fully equipped with a high-quality BCG, making them a complete plug-and-play solution.
  4. AR-15 Complete Pistol Upper: Options are usually 7.5" and 10.5", but there are many different lengths
    under 16".

Each type caters to different preferences and budgets, ensuring you find the best AR-15 completed uppers for your needs.

Factors to Consider When Choosing an AR-15 Complete Upper

Selecting the right complete upper for your AR-15 involves understanding key factors:

  1. Caliber Compatibility: Ensure the upper matches your intended caliber, such as 5.56/.223, .300 Blackout, or 6.5 Grendel.
  2. Barrel Length: Choose a barrel length suited to your application, from 10.5 inches for CQB setups to 20 inches for long-range precision.
  3. Brand Reputation: Opt for trusted manufacturers for quality assurance.
  4. Material and Finish: Consider durable materials like 7075-T6 aluminum and corrosion-resistant finishes like nitride or phosphate.
  5. Purpose: Choose the correct configuration to define your shooting goals for hunting, competition, or home defense.

FAQs: How Do I Know Which Complete Uppers Are for AR-15?

  1. What Makes an Upper Compatible with My AR-15?
    • Ensure the upper matches your lower receiver’s specifications (e.g., Mil-Spec vs. proprietary designs).
  2. Can I Use a Complete Upper with Any Lower?
    • Yes, provided they follow the exact specifications, such as caliber and buffer system compatibility.
  3. How Do I Choose the Right Barrel Length?
    • Consider your intended use—shorter barrels for maneuverability and longer for accuracy.
  4. Are Blemished Uppers Reliable?
    • Yes, blemished uppers typically have minor cosmetic flaws that do not affect functionality.
  5. Do Complete Uppers Come with a Warranty?
    • Most reputable brands provide warranties, ensuring peace of mind with your purchase.
  6. What Calibers Are Available for AR-15 Complete Uppers?
    • Common calibers include 5.56/.223, .300 Blackout, 6.5 Grendel, and .224 Valkyrie.
  7. Should I Choose a Complete Upper with or Without a BCG?
    • If you need a turnkey solution, opt for an upper with a BCG. Otherwise, you can source a separate BCG for customization.
  8. What Handguard Options Are Available?
    • Handguards are available in free-floating and drop-in styles, in materials ranging from aluminum to polymer. Free-floating handguards are preferred for accuracy.

Find the Best AR-15 Complete Uppers

Discovering the right AR-15 complete upper for your firearm is crucial to achieving optimal performance. Our diverse selection provides options that cater to various shooting styles and preferences. Whether you’re looking for a lightweight setup for tactical scenarios or a durable option for long-range precision, we have you covered. Consider factors such as caliber, barrel length, and intended use to make a choice that fits your needs effectively and enhances your shooting experience.