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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  • BLACK RIFLE DEPOT 16 5.56 NATO Super Slim Upper Assembly, AR 15 Upper, AR 15 Complete Upper, AR 15 Complete Upper Assembly, AR 15 Upper Assembly, AR15 Upper, AR15 Complete Upper, American Made AR 15 Upper, Best AR 15 Upper, 16 Inch Upper, 16" Upper

    16" 5.56 Gov / SOCOM Midlength Ultralight M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $334.95
    $299.95
    16" 5.56 Gov / SOCOM Midlength Ultralight M-LOK Upper Assembly The Black Rifle Depot 16" 5.56 Gov / SOCOM Midlength Ultralight M-LOK AR 15 Complete Upper Assembly is designed for the shooter who demands both performance and style. The 16" 5.56...
    MSRP: $334.95
    $299.95
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    MSRP: $334.95
    $299.95
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  • On Sale
    BLACK RIFLE DEPOT 7.5 5.56 NATO Pistol Upper Assembly, 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

    7.5" 5.56 NATO Pistol AR-15 Complete Upper Assembly

    Black Rifle Depot

    MSRP: $299.95
    Now: $209.95
    Was: $269.95
      7.5" 5.56 NATO Pistol Upper Assembly Black Rifle Depot's 7.5" 5.56 NATO AR 15 pistol upper assembly is built using quality parts made here in the USA. Each AR 15 upper assembly is built by a trained armorer and is backed with a limited lifetime...
    MSRP: $299.95
    Now: $209.95
    Was: $269.95
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    MSRP: $299.95
    Now: $209.95
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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
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  • 7.5″ Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly, 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

    7.5" Slick Side Billet 5.56 Nitride Pistol M-LOK AR-15 Complete Upper Assembly

    Black Rifle Depot

    MSRP: $279.95
    $259.95
    7.5" Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly Premium Performance at a Budget-Friendly Price This 7.5" pistol upper assembly offers affordability without cutting corners. Featuring American-made handguards, a 5.56 NATO Nitride-treated...
    MSRP: $279.95
    $259.95
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    MSRP: $279.95
    $259.95
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  • Dirty Bird 16" Govt Mid 556 M-LOK Upper Assembly

    Dirty Bird 16" Govt Mid 556 M-LOK AR-15 Complete Upper Assembly

    Dirty Bird Industries

    MSRP: $469.68 - $478.95
    $423.75 - $462.95
    Dirty Bird 16" Govt Mid 556 M-LOK Upper Assembly This Dirty Bird Industries complete AR Upper assembly features a Black Nitride 16"" Sub-MOA Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver...
    MSRP: $469.68 - $478.95
    $423.75 - $462.95
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    MSRP: $469.68 - $478.95
    $423.75 - $462.95
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  • 16″ 5.56 NATO Pencil Midlength Lightweight M-LOK Upper Assembly

    16" 5.56 NATO Pencil Midlength Lightweight M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $334.95
    $299.95
    16″ 5.56 NATO Pencil Midlength Lightweight M-LOK Upper Assembly Lightweight and Reliable Upper for Precision Shooting The 16″ 5.56 NATO Pencil Midlength Lightweight M-LOK Upper Assembly offers a streamlined, lightweight design without...
    MSRP: $334.95
    $299.95
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  • 16" Gov Mid M-LOK Upper Assembly

    16" Gov Mid M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $339.95 - $379.95
    $259.95 - $279.95
    16" 5.56 Gov / SOCOM Mid length M-LOK AR 15 Upper Assembly  Premium Performance Upper Assembly for Tactical, Competition, or Recreational Use The 16" 5.56 Gov / SOCOM Mid-Length M-LOK AR 15 Upper Assembly is crafted for serious shooters...
    MSRP: $339.95 - $379.95
    $259.95 - $279.95
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  • 16" .223 Wylde Gov Mid M-LOK Upper Assembly Black

    16" .223 Wylde Gov Mid M-LOK AR-15 Complete Upper Assembly Black

    Black Rifle Depot

    MSRP: $329.95
    $319.95
    16" .223 Wylde Gov Mid M-LOK Upper Assembly Black The 16" .223 Wylde Gov Mid M-LOK Upper Assembly Black is engineered for reliability and performance without cutting corners. Starting with a top-tier mil-spec forged upper receiver, it features a nitrided...
    MSRP: $329.95
    $319.95
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    MSRP: $329.95
    $319.95
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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
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    $249.95
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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
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  • Aero Precision M4E1 5.56 14.5" Complete Upper w/ Pinned VG6 Gamma 556SL

    Aero Precision M4E1 5.56 14.5" Complete Upper w/ Pinned VG6 Gamma 556SL

    Aero Precision

    MSRP: $725.00
    $631.95
    Aero Precision M4E1 5.56 14.5" Complete Upper w/ Pinned VG6 Gamma 556SL This complete upper includes our ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real estate to accommodate any...
    MSRP: $725.00
    $631.95
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    MSRP: $725.00
    $631.95
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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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  • 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
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  • Aero Precision M4E1-T Complete Upper, 16" .223 Wylde Fluted SS Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized

    Aero Precision M4E1-T Complete Upper, 16" .223 Wylde Fluted SS Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized

    Aero Precision

    MSRP: $730.00
    $639.95
    Aero Precision M4E1-T Complete Upper, 16" .223 Wylde Fluted SS Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards is designed with size and weight in mind, providing the...
    MSRP: $730.00
    $639.95
    Qty in Cart: 0
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    MSRP: $730.00
    $639.95
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  • Aero Precision M4E1 Threaded Complete Upper, 8" 5.56 Barrel, 7.3" M-LOK ATLAS R-ONE Handguard - FDE Cerakote

    Aero Precision M4E1 Threaded Complete Upper, 8" 5.56 Barrel, 7.3" M-LOK ATLAS R-ONE Handguard - FDE Cerakote

    Aero Precision

    MSRP: $605.00
    $525.95
    M4E1 THREADED COMPLETE UPPER, 8" 5.56 BARREL, 7.3" M-LOK ATLAS R-ONE HANDGUARD - FDE CERAKOTE Specifications: Made In America?: Yes Platform: AR15 Series: ATLAS Caliber: 5.56 NATO Barrel Length: 8" Finish: Magpul FDE Cerakote
    MSRP: $605.00
    $525.95
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    MSRP: $605.00
    $525.95
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  • Aero Precision 10.5" .300 BLK M4E1 ATLAS-S Complete Upper - Black

    Aero Precision 10.5" .300 BLK M4E1 ATLAS-S AR-15 Complete Upper - Black

    Aero Precision

    MSRP: $615.00
    $527.95
    Aero Precision 10.5" .300 BLK M4E1 ATLAS-S Complete Upper - Black Aero Precision APAR700302M4: This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing...
    MSRP: $615.00
    $527.95
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    MSRP: $615.00
    $527.95
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  • 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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  • Dirty Bird 16" 5.56 NATO Govt M-LOK Upper Assembly V3

    Dirty Bird 16" 5.56 NATO Govt M-LOK Upper Assembly V3

    Dirty Bird Industries

    MSRP: $470.75 - $492.15
    $424.95 - $442.95
    This Dirty Bird Industries Complete Upper features a Black Nitride 16" Sub-MOA Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver and finished with the brand new Dirty Bird's Gen 3 15" SMRS...
    MSRP: $470.75 - $492.15
    $424.95 - $442.95
    Qty in Cart: 0
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    MSRP: $470.75 - $492.15
    $424.95 - $442.95
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  • 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 M4E1 Threaded 16" .223 Wylde Fluted Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black

    Aero Precision M4E1 Threaded 16" .223 Wylde Fluted Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black

    Aero Precision

    MSRP: $730.00
    $622.95
    Aero Precision M4E1 Threaded 16" .223 Wylde Fluted Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black This complete upper includes Aero Precision's new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight...
    MSRP: $730.00
    $622.95
    Qty in Cart: 0
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    MSRP: $730.00
    $622.95
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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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    $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
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    $279.95
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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
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    $249.95
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  • 7.5" Slick Side Billet 300 BLK Nitride Pistol M-LOK Upper Assembly

    7.5" Slick Side Billet 300 BLK Nitride Pistol M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $279.95
    $239.95
    7.5" Slick Side Billet 300 BLK Nitride Pistol M-LOK Upper Assembly The 7.5" Slick Side Billet 300 BLK Nitride Pistol M-LOK Upper Assembly offers an affordable, high-quality build without cutting corners. Featuring a 7.5" Nitride-treated barrel chambered...
    MSRP: $279.95
    $239.95
    Qty in Cart: 0
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    MSRP: $279.95
    $239.95
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  • Aero Precision M4E1-T Complete Upper, 16" 5.56 HBAR Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized

    Aero Precision M4E1-T Complete Upper, 16" 5.56 HBAR Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized

    Aero Precision

    MSRP: $655.00
    $522.95
    Aero Precision M4E1-T Complete Upper, 16" 5.56 HBAR Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized This complete upper receiver includes an HBAR profile barrel that is laser marked "HBAR". Includes M4E1 Threaded Assembled Upper Receiver 15" ATLAS S-ONE...
    MSRP: $655.00
    $522.95
    Qty in Cart: 0
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    MSRP: $655.00
    $522.95
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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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    $299.95
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  • 7.5" 7.62x39 Stainless Steel Medium Pistol M-LOK Upper Assembly

    7.5" 7.62x39 Stainless Steel Medium Pistol M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $293.99
    $278.95
    7.5" 7.62x39 Stainless Steel Medium Pistol M-LOK Upper Assembly Big-bore punch in a small, American-made package. The 7.5" 7.62x39 Stainless Steel Medium Pistol M-LOK Upper Assembly delivers rugged, close-range power in a compact format—perfect for...
    MSRP: $293.99
    $278.95
    Qty in Cart: 0
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    MSRP: $293.99
    $278.95
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  • Dirty Bird 13.7" Government Midlength .223 Wylde M-LOK V3 Upper Assembly

    Dirty Bird 13.7" Government Midlength .223 Wylde M-LOK V3 Upper Assembly - D107

    Dirty Bird Industries

    $409.95
    Dirty Bird 13.7" Government Midlength .223 Wylde M-LOK V3 Upper Assembly This Dirty Bird Industries Complete Upper** features a Dirty Bird Midlength Sub-MOA 416R Medium Profile barrel chambered in .223 Wylde with a 1:8 twist. Built on a top-tier Forged...
    $409.95
    Qty in Cart: 0
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  • M4E1 Threaded Complete Upper, 14.5" 5.56 Mid-Length Barrel w/ Pinned Epsilon 556SL, 12" M-LOK ATLAS R-ONE HG - Anodized Black

    M4E1 Threaded Complete Upper, 14.5" 5.56 Mid-Length Barrel w/ Pinned Epsilon 556SL, 12" M-LOK ATLAS R-ONE HG - Anodized Black

    Aero Precision

    MSRP: $725.00
    $629.95
    M4E1 Threaded Complete Upper, 14.5" 5.56 Mid-Length Barrel w/ Pinned Epsilon 556SL, 12" M-LOK ATLAS R-ONE HG - Anodized Black This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while...
    MSRP: $725.00
    $629.95
    Qty in Cart: 0
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    MSRP: $725.00
    $629.95
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  • 16" 7.62x39 Medium Carbine M-LOK Upper Assembly

    16" 7.62x39 Medium Carbine M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $339.99
    $299.95
    16" 7.62x39 Medium Carbine M-LOK Upper Assembly AK power, AR precision—built the BRD way. The 16" 7.62x39 Medium Carbine M-LOK Upper Assembly is a high-performance build solution that brings proven BRD quality to the hard-hitting 7.62x39 cartridge...
    MSRP: $339.99
    $299.95
    Qty in Cart: 0
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    MSRP: $339.99
    $299.95
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  • 16" 7.62x39 Phosphate Carbine M-LOK Heavy Upper Assembly

    16" 7.62x39 Phosphate Carbine M-LOK Heavy Upper Assembly

    Black Rifle Depot

    MSRP: $339.99
    $299.95
    16" 7.62x39 Phosphate Carbine M-LOK Heavy Upper Assembly Heavy-duty performance for serious 7.62x39 builds. The 16" 7.62x39 Phosphate Carbine M-LOK Heavy Upper Assembly is engineered for shooters who demand robust construction, consistent accuracy, and...
    MSRP: $339.99
    $299.95
    Qty in Cart: 0
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    MSRP: $339.99
    $299.95
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  • 16" Carbine 400 Legend Medium M-LOK Upper Assembly

    16" Carbine 400 Legend Medium M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $349.99
    $299.95
    16" 400 Legend Medium Carbine M-LOK Upper Assembly The perfect balance of power, performance, and recoil. The 16" 400 Legend M-LOK Upper Assembly is engineered for hunters and shooters who demand straight-wall performance with modern AR modularity...
    MSRP: $349.99
    $299.95
    Qty in Cart: 0
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    MSRP: $349.99
    $299.95
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  • 18" Carbine 400 Legend Medium M-LOK Upper Assembly

    18" Carbine 400 Legend Medium M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $399.99
    $349.95
    18" 400 Legend Medium Carbine M-LOK Upper Assembly Hunt-ready performance with less recoil, more punch. The 18" 400 Legend M-LOK Upper Assembly is built for hunters who need straight-wall compliance without sacrificing power or precision. Featuring a...
    MSRP: $399.99
    $349.95
    Qty in Cart: 0
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    MSRP: $399.99
    $349.95
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  • 18" Midlength 22 ARC Medium Stainless M-LOK Upper Assembly

    18" Midlength 22 ARC Medium Stainless M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $499.99
    $399.95
    18" Midlength 22 ARC Medium Stainless M-LOK Upper Assembly Precision-crafted to unlock the full potential of 22 ARC. The 18" 22 ARC M-LOK Upper Assembly is built for shooters seeking cutting-edge small-caliber performance in a precision AR-15 package. It...
    MSRP: $499.99
    $399.95
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    MSRP: $499.99
    $399.95
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  • 20" Rifle .224 Valkyrie Medium Spiral Fluted Nitride Upper Assembly

    20" Rifle .224 Valkyrie Medium Spiral Fluted Nitride Upper Assembly

    Black Rifle Depot

    MSRP: $399.95
    $349.95
    20" Rifle .224 Valkyrie Medium Spiral Fluted Nitride Upper Assembly Built for 1,300 yards—no shortcuts, no compromises. The 20" .224 Valkyrie Spiral Fluted Upper Assembly is purpose-built to take full advantage of the Valkyrie’s long-range...
    MSRP: $399.95
    $349.95
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    MSRP: $399.95
    $349.95
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  • 20" 6mm ARC Medium Rifle M-LOK Upper Assembly

    20" Rifle 6mm ARC Medium M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $449.99
    $399.99
    20" 6mm ARC Medium Rifle M-LOK Upper Assembly Engineered for accuracy, built for modern ballistics. The 20" 6mm ARC M-LOK Upper Assembly is a purpose-built platform for precision shooting and long-range performance. It features a premium nitrided...
    MSRP: $449.99
    $399.99
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    MSRP: $449.99
    $399.99
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  • 8" Pistol 5.56 Government M-LOK Upper Assembly

    8" Pistol 5.56 Government M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $299.99
    $279.95
    8" Pistol 5.56 Government M-LOK Upper Assembly No corners cut—just dependable performance in a compact platform. The 8" 5.56 Government M-LOK Upper Assembly delivers affordability without compromise. Built around a nitride-treated 5.56 NATO barrel,...
    MSRP: $299.99
    $279.95
    Qty in Cart: 0
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  • 8" Pistol 5.56 Stainless M-LOK Upper Assembly

    8" Pistol 5.56 Stainless M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $319.95
    $284.95
    8" Pistol 5.56 Stainless M-LOK Upper Assembly Compact and Reliable Upper for AR-15 Pistol Builds The 8.5" Pistol 5.56 Stainless M-LOK Upper Assembly is designed for shooters seeking a compact, reliable upper for AR-15 pistol builds. Featuring an 8.5"...
    MSRP: $319.95
    $284.95
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  • Aero Precision 5.56 Carbine Upper Assembly - Pinned FSB - MOE SL Handguard - 16"

    Aero Precision 5.56 Carbine Upper Assembly - Pinned FSB - MOE SL Handguard - 16"

    Aero Precision

    MSRP: $455.00
    $389.95
    Aero Precision 5.56 Carbine Upper Assembly - Pinned FSB - MOE SL Handguard - 16" Embark on your next AR-15 project with Aero Precision's 5.56 Carbine Upper Assembly. This robust upper receiver comes with a 16" barrel, optimized for the 5.56 NATO caliber,...
    MSRP: $455.00
    $389.95
    Qty in Cart: 0
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    MSRP: $455.00
    $389.95
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  • Aero Precision M4E1 Threaded 18" .223 Wylde SS QPQ Complete Upper Receiver with 15" M-LOK ATLAS R-ONE Handguard - Anodized Black

    Aero Precision M4E1 Threaded 18" .223 Wylde SS QPQ Complete Upper Receiver with 15" M-LOK ATLAS R-ONE Handguard - Anodized Black

    Aero Precision

    MSRP: $599.99
    $479.95
    Aero Precision M4E1 Threaded 18" .223 Wylde SS QPQ Complete Upper Receiver with 15" M-LOK ATLAS R-ONE Handguard - Anodized Black This complete upper features the best of the best, including a fluted accuracy-enhancing 223 Wylde chambered and QPQ-treated...
    MSRP: $599.99
    $479.95
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  • Total: items /

Adding your products to cart

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.