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
    Qty in Cart: 0
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    MSRP: $334.95
    $299.95
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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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    MSRP: $329.95
    $289.95
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  • On Sale
    16" Patriot 5.56 NATO AR 15 Upper

    16" Patriot 5.56 NATO AR-15 Complete Upper

    Black Rifle Depot

    MSRP: $569.95
    Now: $399.95
    Was: $479.95
    16" Patriot 5.56 NATO AR 15 Upper Complete, High-Quality Performance Right Out of the Box The 16" Patriot 5.56 NATO AR-15 Upper from Black Rifle Depot is designed for maximum performance and convenience. This fully assembled, test-fired upper receiver is...
    MSRP: $569.95
    Now: $399.95
    Was: $479.95
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    MSRP: $569.95
    Now: $399.95
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  • 16" 5.56 Left Handed Complete AR 15 Upper Assembly

    16" 5.56 Left Handed AR-15 Complete Upper Assembly

    Black Rifle Depot

    MSRP: $499.95
    $479.95
    16" 5.56 Left Handed AR 15 Upper Assembly The 16" 5.56 Left Handed AR 15 Upper Assembly features a 15” M-Lok Handguard, engineered specifically for left-handed shooters. Built on a left-handed AR 15 upper receiver, these uppers offer enhanced...
    MSRP: $499.95
    $479.95
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    $479.95
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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 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
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    MSRP: $444.95
    $419.95
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  • Black Rifle Depot 20" 5.56 Gov / SOCOM M-LOK Upper Assembly

    20" 5.56 Gov / SOCOM M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $399.95
    $359.95
    20" 5.56 Gov / SOCOM M-LOK Upper Assembly This is a high quality 20 inch upper assembly that works as good as it looks. it is built using a top tier mil-spec forged upper receiver, a 5.56 Mil-Spec Steel Black Nitrided Barrel, an APOC Armory black Nitride...
    MSRP: $399.95
    $359.95
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    MSRP: $399.95
    $359.95
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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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  • 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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  • 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" 5.56 Gov / SOCOM Mid length M-LOK AR 15 Upper Assembly

    Black Rifle Depot

    MSRP: $324.95 - $359.95
    $249.95 - $269.95
    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: $324.95 - $359.95
    $249.95 - $269.95
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    MSRP: $324.95 - $359.95
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  • 16" 5.56 Phosphate Midlength M-LOK Lightweight Complete Upper

    16" 5.56 Phosphate Midlength M-LOK Lightweight Complete Upper

    Black Rifle Depot

    MSRP: $399.99
    $339.95
    16" 5.56 Phosphate Midlength M-LOK Lightweight Complete Upper The 16" 5.56 Phosphate Midlength M-LOK Lightweight Complete Upper offers unmatched reliability, accuracy, and affordability. Featuring a lightweight phosphate barrel with a 1:9 twist and...
    MSRP: $399.99
    $339.95
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    MSRP: $399.99
    $339.95
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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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    MSRP: $309.99
    $249.95
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  • 16″ 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly

    16" 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly

    Black Rifle Depot

    MSRP: $299.99
    $249.95
    16" 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly Crafted for shooters who refuse to compromise on quality, the 16" 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly delivers reliable performance in a lightweight and versatile package...
    MSRP: $299.99
    $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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    $289.95
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  • Aero Precision AR-15 10.5″ 5.56 Carbine Complete Upper w/ Pinned FSB, MOE Carbine – Black

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

    Aero Precision

    MSRP: $435.00
    $376.95
    Aero Precision AR-15 10.5" 5.56 Carbine Complete Upper w/ Pinned FSB, MOE Carbine – Black Get started on your new AR pistol build with this Aero Precision Barreled Upper Receiver. It features a 10.5” barrel chambered in 5.56 NATO. It features...
    MSRP: $435.00
    $376.95
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    MSRP: $435.00
    $376.95
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  • Aero Precision EPC-9 Threaded 8.3" 9mm Complete Upper Receiver w/ ATLAS S-ONE 7.3" Handguard - Anodized Black

    Aero Precision EPC-9 Threaded 8.3" 9mm AR-15 Complete Upper Receiver w/ ATLAS S-ONE 7.3" Handguard - Anodized Black

    Aero Precision

    MSRP: $510.00
    $436.95
    Aero Precision EPC-9 8.3" 9mm Threaded Complete Upper w/ ATLAS S-ONE 7.3" Handguard - Anodized Black Compact Power and Versatile Customization for AR9 Builds The Aero Precision EPC-9 Complete Upper Receiver features a compact 8.3" 9mm barrel paired with...
    MSRP: $510.00
    $436.95
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    MSRP: $510.00
    $436.95
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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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    $259.95
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  • Aero Precision EPC-9 Threaded 11" 9mm Complete Upper Receiver w/ ATLAS S-ONE 10.3" Handguard - Anodized Black

    Aero Precision EPC-9 Threaded 11" 9mm AR-15 Complete Upper Receiver w/ ATLAS S-ONE 10.3" Handguard - Anodized Black

    Aero Precision

    MSRP: $590.00
    $470.95
    Aero Precision EPC-9 Threaded 11" 9mm Complete Upper Receiver w/ ATLAS S-ONE 10.3" Handguard - Anodized Black This EPC-9 Complete Upper Receiver comes standard with our ATLAS S-ONE Handguard. The S-ONE handguards are designed with size and weight in...
    MSRP: $590.00
    $470.95
    Qty in Cart: 0
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    MSRP: $590.00
    $470.95
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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...
    MSRP: $725.00
    $631.95
    Qty in Cart: 0
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    MSRP: $725.00
    $631.95
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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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  • On Sale
    Foxtrot Mike Products MIKE-9 VFM-9 Dual Charging Handle 9mm AR-15 Complete Upper Receiver - 5.2"

    Foxtrot Mike Products MIKE-9 VFM-9 Dual Charging Handle 9mm AR-15 Complete Upper Receiver - 5.2"

    Foxtrot Mike

    MSRP: $299.00
    Now: $199.95
    Was: $279.95
    Foxtrot Mike Products MIKE-9 VFM-9 Dual Charging Handle 9mm AR-15 Complete Upper Receiver - 5.2" The Foxtrot Mike Products MIKE-9 VFM-9 Dual Charging Handle 9mm AR-15 Complete Upper Receiver combines exceptional performance, innovation, and affordability...
    MSRP: $299.00
    Now: $199.95
    Was: $279.95
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    MSRP: $299.00
    Now: $199.95
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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
    Qty in Cart: 0
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    MSRP: $389.95
    $329.95
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  • Aero Precision AR15 20" Rifle 5.56 Complete Upper w/ Pinned FSB & A2 Handguard

    Aero Precision 20" Rifle 5.56 AR-15 Complete Upper w/ Pinned FSB & A2 Handguard

    Aero Precision

    MSRP: $565.00
    $489.95
    Aero Precision AR15 20" Rifle 5.56 Complete Upper w/ Pinned FSB & A2 Handguard The Aero Precision AR15 20" Rifle 5.56 Complete Upper is a prime choice for shooters aiming for accuracy and performance. The 20" barrel, crafted for long-range precision,...
    MSRP: $565.00
    $489.95
    Qty in Cart: 0
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    MSRP: $565.00
    $489.95
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  • AERO Precision EPC-9 16" Complete Upper 9MM

    AERO Precision EPC-9 16" AR-15 Complete Upper 9MM

    Aero Precision

    MSRP: $590.00
    $503.95
    AERO Precision EPC-9 16" Complete Upper 9MM Experience superior craftsmanship with the AERO Precision EPC-9 16" Complete Upper, tailored explicitly for the 9MM platform. Central to this assembly is the ATLAS S-ONE Handguard, meticulously engineered with...
    MSRP: $590.00
    $503.95
    Qty in Cart: 0
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    MSRP: $590.00
    $503.95
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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
    $631.95
    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 are designed with size and weight in mind, providing the...
    MSRP: $730.00
    $631.95
    Qty in Cart: 0
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    MSRP: $730.00
    $631.95
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  • Foxtrot Mike 9" .223 Wylde Lightweight Pistol M-LOK Complete Upper

    Foxtrot Mike 9" .223 Wylde Lightweight Pistol M-LOK Complete Upper

    Foxtrot Mike

    $499.00
    Foxtrot Mike 9" .223 Wylde Lightweight Pistol M-LOK Complete Upper The Foxtrot Mike Products FM-15 Gen 2 Side Charging AR-15 Upper Receiver features a unique dual spring recoil system nested in the top of the upper receiver allowing the use of a folding...
    $499.00
    Qty in Cart: 0
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    $499.00
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  • 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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  • 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
    Qty in Cart: 0
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    MSRP: $615.00
    $527.95
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  • Aero Precision AR15 Complete Upper 20" 5.56 w/ Pinned FSB & MOE Handguard - Black

    Aero Precision AR-15 Complete Upper 20" 5.56 w/ Pinned FSB & MOE Handguard - Black

    Aero Precision

    MSRP: $485.00
    $419.95
    Aero Precision AR15 Complete Upper 20" 5.56 w/ Pinned FSB & MOE Handguard - Black Elevate your shooting experience with the Aero Precision AR15 Complete Upper, meticulously engineered for the discerning marksman. This exceptional assembly features a...
    MSRP: $485.00
    $419.95
    Qty in Cart: 0
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    MSRP: $485.00
    $419.95
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  • Aero Precision M4E1 8" .300 BLK Threaded Complete Upper w/ ATLAS R-ONE 7" M-LOK Handguard - Black

    Aero Precision M4E1 8" .300 BLK Threaded Complete Upper w/ ATLAS R-ONE 7" M-LOK Handguard - Black

    Aero Precision

    MSRP: $595.00
    $524.95
    Aero Precision M4E1 8" .300 BLK Threaded Complete Upper w/ ATLAS R-ONE 7" M-LOK Handguard - Black This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of...
    MSRP: $595.00
    $524.95
    Qty in Cart: 0
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    MSRP: $595.00
    $524.95
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  • 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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  • 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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  • Aero Precicion M4E1 Threaded Complete Upper 8" .300 Blackout Barrel 7" M-LOK ATLAS S-ONE Handguard - FDE Cerakote

    Aero Precicion M4E1 Threaded Complete Upper 8" .300 Blackout Barrel 7" M-LOK ATLAS S-ONE Handguard - FDE Cerakote

    Aero Precision

    MSRP: $635.00
    $569.99
    Aero Precicion M4E1 Threaded Complete Upper 8" .300 Blackout Barrel 7" M-LOK ATLAS S-ONE Handguard - FDE Cerakote Aero Precision APAR700311M1: This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with...
    MSRP: $635.00
    $569.99
    Qty in Cart: 0
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    MSRP: $635.00
    $569.99
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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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  • 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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  • Aero Precision M4E1 Threaded Complete Upper, 20" 5.56 Rifle Length Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black

    Aero Precision M4E1 Threaded AR-15 Complete Upper, 20" 5.56 Rifle Length Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black

    Aero Precision

    MSRP: $675.00
    $588.95
    Aero Precision M4E1 Threaded Complete Upper, 20" 5.56 Rifle Length Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black M4E1 Threaded Complete Upper, 20" 5.56 Rifle Length Barrel, 15" M-LOK ATLAS S-ONE Handguard, Anodized Black Made In America?:...
    MSRP: $675.00
    $588.95
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    MSRP: $675.00
    $588.95
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  • Aero Precision M4E1 Threaded Complete Upper 7.5" 5.56 Barrel ATLAS R-ONE 7" M-LOK HG - Anodized

    Aero Precision M4E1 Threaded Complete Upper 7.5" 5.56 Barrel ATLAS R-ONE 7" M-LOK HG - Anodized

    Aero Precision

    MSRP: $424.99
    $419.95
    Aero Precision M4E1 Threaded Complete Upper 7.5" 5.56 Barrel ATLAS R-ONE 7" M-LOK HG - Anodized This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of...
    MSRP: $424.99
    $419.95
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    $419.95
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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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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.