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.

  • Product
  • Qty in Cart
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  • 16" Slick Side Billet 5.56 416R Stainless Midlength 1:7 M-LOK Complete Upper

    16" Slick Side Billet 5.56 416R Stainless Midlength 1:7 M-LOK Complete Upper

    Black Rifle Depot

    MSRP: $387.95
    $344.95
    16" Slick Side Billet 5.56 416R Stainless Midlength 1:7 M-LOK Complete Upper An affordable AR15 upper assembly that doesn't skimp on quality: this model features a nitrided steel gas block from a reputable American manufacturer instead of aluminum,...
    MSRP: $387.95
    $344.95
    Qty in Cart: 0
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    MSRP: $387.95
    $344.95
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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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  • Foxtrot Mike Products MIKE-9 5” Rear-Charging Complete Upper

    Foxtrot Mike Products MIKE-9 5” Rear-Charging Complete Upper

    Foxtrot Mike

    MSRP: $299.95
    $279.95
    Foxtrot Mike Products MIKE-9 5” Rear-Charging Complete Upper The Foxtrot Mike Products MIKE-9 Complete 9x19mm Upper Receiver is built from the ground up to provide outstanding reliability and accuracy with many top-tier features. The monolithic...
    MSRP: $299.95
    $279.95
    Qty in Cart: 0
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    MSRP: $299.95
    $279.95
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  • Foxtrot Mike Products MIKE-9 9mm Complete Upper Receiver - 7"

    Foxtrot Mike Products MIKE-9 9mm Complete Upper Receiver - 7"

    Foxtrot Mike

    MSRP: $329.95
    $299.95
    Foxtrot Mike Products MIKE-9 9mm Complete Upper Receiver - 7" The FM Products MIKE-9 9mm Complete Upper Receiver with a 7-inch barrel is an ideal choice for your next pistol caliber carbine build. This MIKE-9 upper receiver features a lightweight 7-inch...
    MSRP: $329.95
    $299.95
    Qty in Cart: 0
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    MSRP: $329.95
    $299.95
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  • Maxim Defense Industries 5.5 PDX Complete 300BLK AR 15 Upper

    Maxim Defense Industries 5.5" PDX Complete 300BLK AR 15 Upper

    Maxim Defense Industries

    MSRP: $1,295.95
    $1,165.50
    Maxim Defense Industries 5.5" PDX Complete 300BLK AR 15 Upper The NEW Maxim Defense PDX(TM) U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX(TM) U.R.G, you dominate...
    MSRP: $1,295.95
    $1,165.50
    Qty in Cart: 0
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    MSRP: $1,295.95
    $1,165.50
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  • Maxim Defense Industries 5.5 PDX Complete 5.56 NATO AR 15 Upper

    Maxim Defense Industries 5.5" PDX Complete 5.56 NATO AR 15 Upper

    Maxim Defense Industries

    MSRP: $1,295.00
    $1,265.95
    Maxim Defense Industries 5.5" PDX Complete 5.56 NATO AR 15 Upper The NEW Maxim Defense PDX(TM) U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX(TM) U.R.G, you...
    MSRP: $1,295.00
    $1,265.95
    Qty in Cart: 0
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    MSRP: $1,295.00
    $1,265.95
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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
    Qty in Cart: 0
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    MSRP: $329.95
    $299.95
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  • 7.5" 5.56 DRP Pistol Quad Rail Complete Upper

    7.5" 5.56 DRP Pistol Quad Rail Complete Upper

    Black Rifle Depot

    MSRP: $499.95
    $414.95
    7.5" 5.56 DRP Pistol Quad Rail Complete Upper Short, stout, and ready for action. The 7.5" 5.56 DRP Pistol Quad Rail Complete Upper is a rugged, reliable option for shooters looking to build a compact AR pistol without compromising on quality. Built...
    MSRP: $499.95
    $414.95
    Qty in Cart: 0
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    MSRP: $499.95
    $414.95
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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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  • 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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    MSRP: $610.00
    $522.95
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  • Aero Precision M4E1 Threaded Complete Upper 18" 5.56 Rifle Length Barrel ATLAS R-ONE 15" M-LOK HG Anodized

    Aero Precision M4E1 Threaded Complete Upper 18" 5.56 Rifle Length Barrel ATLAS R-ONE 15" M-LOK HG Anodized

    Aero Precision

    MSRP: $665.00
    $569.95
    Aero Precision M4E1 Threaded Complete Upper 18" 5.56 Rifle Length Barrel ATLAS R-ONE 15" M-LOK HG Anodized Introducing the Aero Precision M4E1 Threaded Complete Upper, a premium choice for enthusiasts seeking advanced...
    MSRP: $665.00
    $569.95
    Qty in Cart: 0
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    MSRP: $665.00
    $569.95
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  • Aero PrecisionEPC-9 Threaded 8.3" 9mm Complete Upper Receiver w/ ATLAS S-ONE 7.3" Handguard - FDE Cerakote

    Aero PrecisionEPC-9 Threaded 8.3" 9mm Complete Upper Receiver w/ ATLAS S-ONE 7.3" Handguard - FDE Cerakote

    Aero Precision

    MSRP: $550.00
    $470.95
    Aero PrecisionEPC-9 Threaded 8.3" 9mm Complete Upper Receiver w/ ATLAS S-ONE 7.3" Handguard - FDE Cerakote Introducing the Aero Precision EPC-9 Threaded 8.3" 9mm Complete Upper Receiver with ATLAS S-ONE 7.3" Handguard in FDE Cerakote, a premium choice...
    MSRP: $550.00
    $470.95
    Qty in Cart: 0
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    MSRP: $550.00
    $470.95
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  • Daniel Defense 14.5" 5.56 M4A1 Carbine 1:7 AR-15 Complete Upper - FDE

    Daniel Defense 14.5" 5.56 M4A1 Carbine 1:7 AR-15 Complete Upper - FDE

    Daniel Defense

    MSRP: $1,559.00
    $1,450.95
    Daniel Defense 14.5" 5.56 M4A1 Carbine 1:7 AR-15 Complete Upper - FDE The Daniel Defense 14.5" M4A1 Complete Upper is the same complete upper receiver assembly used on their M4A1 rifle. Using top quality components from their entirely in-house produced...
    MSRP: $1,559.00
    $1,450.95
    Qty in Cart: 0
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    MSRP: $1,559.00
    $1,450.95
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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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    $409.95
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  • Dirty Bird 16″ RECCE V2 .223 Wylde M-LOK Upper Assembly

    Dirty Bird 16" RECCE V2 .223 Wylde M-LOK Upper Assembly

    Dirty Bird Industries

    MSRP: $749.99 - $799.99
    $674.99 - $719.99
    Dirty Bird 16" RECCE V2 .223 Wylde M-LOK Upper Assembly The Dirty Bird RECCE V2 Upper Assembly is the latest evolution of our popular 16" SMRS Upper Assembly. This upper is built to withstand extreme hard use while maintaining exceptional...
    MSRP: $749.99 - $799.99
    $674.99 - $719.99
    Qty in Cart: 0
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    MSRP: $749.99 - $799.99
    $674.99 - $719.99
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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" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK Complete Upper

    16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK AR-15 Complete Upper

    Black Rifle Depot

    MSRP: $429.95 - $454.95
    $389.95 - $419.95
    16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK Complete Upper This is an affordable AR-15 upper assembly without cutting corners. This means using a nitrided steel gas block from an American Manufacturer as opposed to aluminum, quality...
    MSRP: $429.95 - $454.95
    $389.95 - $419.95
    Qty in Cart: 0
    Price:
    MSRP: $429.95 - $454.95
    $389.95 - $419.95
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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
    Qty in Cart: 0
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    MSRP: $499.99
    $399.95
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  • 18" Midlength 6mm ARC Medium M-LOK Upper Assembly

    18" Midlength 6mm ARC Medium M-LOK Upper Assembly

    Black Rifle Depot

    MSRP: $399.00
    $349.99
    18" 6mm ARC Medium Midlength M-LOK Upper Assembly Advanced ballistics meet meticulous build quality. The 18" 6mm ARC M-LOK Upper Assembly is built for precision shooters looking to maximize the potential of the 6mm ARC cartridge. Featuring a nitrided...
    MSRP: $399.00
    $349.99
    Qty in Cart: 0
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    MSRP: $399.00
    $349.99
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  • 20" 5.56 Phosphate + Chrome-Lined Rifle M-LOK Heavy Upper Assembly

    20" 5.56 Phosphate + Chrome-Lined Rifle M-LOK Heavy Upper Assembly

    Black Rifle Depot

    MSRP: $449.99
    $349.95
    20" 5.56 Phosphate + Chrome-Lined Rifle M-LOK Heavy Upper Assembly No corners cut—just top-tier performance, start to finish. The 20″ 5.56 Phosphate + Chrome-Lined Rifle M-LOK Heavy Upper Assembly is engineered for shooters who demand...
    MSRP: $449.99
    $349.95
    Qty in Cart: 0
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    MSRP: $449.99
    $349.95
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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
    Qty in Cart: 0
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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
    Qty in Cart: 0
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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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    MSRP: $299.99
    $279.95
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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
    Qty in Cart: 0
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    MSRP: $319.95
    $284.95
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  • AERO Precision 16" AR 15 Upper W/A2 Front Sight

    AERO Precision 16" AR 15 Upper W/A2 Front Sight - Black

    Aero Precision

    MSRP: $460.00
    $400.95
    AERO Precision 16" AR 15 Upper W/A2 Front Sight - Black Complete Your AR-15 Build with Aero Precision’s High-Quality Upper Receiver Start your AR-15 build right with the Aero Precision 16" AR-15 Upper with A2 Front Sight. This barreled upper...
    MSRP: $460.00
    $400.95
    Qty in Cart: 0
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    MSRP: $460.00
    $400.95
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  • Aero Precision AR-15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard (Includes BCG & CH)

    Aero Precision AR-15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard (Includes BCG & CH)

    Aero Precision

    MSRP: $640.00
    $546.95
    Aero Precision AR-15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard (Includes BCG & CH) This AR15 Complete Upper features a 16" 5.56 Mid-Length Barrel w/ Pinned FSB, Mid Handguard, BCG and Charging...
    MSRP: $640.00
    $546.95
    Qty in Cart: 0
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    MSRP: $640.00
    $546.95
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  • Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - Anodized Black

    Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - Anodized Black

    Aero Precision

    MSRP: $585.00
    $498.95
    Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - Anodized Black This EPC-9 Complete Upper Receiver comes standard with our Enhanced Gen 2 Handguard. Our Enhanced M-LOK Handguards provide a lightweight free float...
    MSRP: $585.00
    $498.95
    Qty in Cart: 0
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    Price:
    MSRP: $585.00
    $498.95
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  • Aero Precision EPC-9 Threaded 11" 9mm Complete Upper Receiver w/ ATLAS R-ONE 10.3" Handguard - Anodized Black

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

    Aero Precision

    MSRP: $550.00
    $470.95
    Aero Precision EPC-9 Threaded 11" 9mm Complete Upper Receiver w/ ATLAS R-ONE 10.3" Handguard - Anodized Black The Aero Precision EPC-9 Barreled Upper Receiver with LRBHO is a top-tier component designed for firearm enthusiasts who prioritize precision...
    MSRP: $550.00
    $470.95
    Qty in Cart: 0
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    Price:
    MSRP: $550.00
    $470.95
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  • Aero Precision EPC-9 Threaded 11" 9mm Complete Upper Receiver w/ ATLAS R-ONE 10.3" Handguard - FDE Cerakote

    Aero Precision EPC-9 Threaded 11" 9mm Complete Upper Receiver w/ ATLAS R-ONE 10.3" Handguard - FDE Cerakote

    Aero Precision

    MSRP: $590.00
    $503.95
    Aero Precision EPC-9 Threaded 11" 9mm Complete Upper Receiver w/ ATLAS R-ONE 10.3" Handguard - FDE Cerakote This EPC-9 Complete Upper Receiver comes standard with our ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind,...
    MSRP: $590.00
    $503.95
    Qty in Cart: 0
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    MSRP: $590.00
    $503.95
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  • Aero Precision EPC-9 Threaded 16" 9mm Complete Upper Receiver w/ ATLAS R-ONE 15" Handguard - Anodized Black

    Aero Precision EPC-9 Threaded 16" 9mm Complete Upper Receiver w/ ATLAS R-ONE 15" Handguard - Anodized Black

    Aero Precision

    MSRP: $590.00
    $503.95
    Aero Precision EPC-9 Threaded 16" 9mm Complete Upper Receiver w/ ATLAS R-ONE 15" Handguard - Anodized Black Streamlined Precision and Lightweight Customization The Aero Precision EPC-9 Complete Upper Receiver delivers an exceptional AR9 building...
    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 Complete Upper 16" .300 Blackout Barrel EM-15 Gen 2 Handguard - Anodized Black

    Aero Precision M4E1 Complete Upper 16" .300 Blackout Barrel EM-15 Gen 2 Handguard - Anodized Black

    Aero Precision

    MSRP: $660.00
    $565.95
    Aero Precision M4E1 Complete Upper 16" .300 Blackout Barrel EM-15 Gen 2 Handguard - Anodized Black This Complete Upper includes Aero Precision's Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced...
    MSRP: $660.00
    $565.95
    Qty in Cart: 0
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    MSRP: $660.00
    $565.95
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  • Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS R-ONE - 14.5"

    Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS R-ONE - 14.5"

    Aero Precision

    MSRP: $640.00
    $546.95
    Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS R-ONE - 14.5" This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 14.5” 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled...
    MSRP: $640.00
    $546.95
    Qty in Cart: 0
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    MSRP: $640.00
    $546.95
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  • Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - Anodized

    Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - Anodized

    Aero Precision

    MSRP: $615.00
    $529.95
    Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - Anodized Explore the capabilities of the Aero Precision M4E1 Threaded Complete Upper, designed for shooters who prioritize compact...
    MSRP: $615.00
    $529.95
    Qty in Cart: 0
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    MSRP: $615.00
    $529.95
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  • Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote

    Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote

    Aero Precision

    MSRP: $655.00
    $569.95
    Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote This complete upper includes Aero Precision's new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while...
    MSRP: $655.00
    $569.95
    Qty in Cart: 0
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    MSRP: $655.00
    $569.95
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  • Aero Precision M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS S-ONE M-LOK HG - Anodized Black

    Aero Precision M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS S-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 S-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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  • Aero Precision M4E1 Threaded Complete Upper, 8" 5.56 Barrel, 7.3" M-LOK ATLAS R-ONE Handguard - Anodized Black

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

    Aero Precision

    MSRP: $565.00
    $504.95
    Aero Precision M4E1 Threaded Complete Upper, 8" 5.56 Barrel, 7.3" M-LOK ATLAS R-ONE Handguard - Anodized Black This complete upper includes our ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing...
    MSRP: $565.00
    $504.95
    Qty in Cart: 0
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    MSRP: $565.00
    $504.95
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  • Aero Precision M4E1 Threaded Complete Upper, 8" 5.56 Barrel, 7.3" M-LOK ATLAS S-ONE Handguard - Anodized Black

    Aero Precision M4E1 Threaded Complete Upper, 8" 5.56 Barrel, 7.3" M-LOK ATLAS S-ONE Handguard - Anodized Black

    Aero Precision

    MSRP: $565.00
    $484.95
    Aero Precision M4E1 Threaded Complete Upper, 8" 5.56 Barrel, 7.3" M-LOK ATLAS S-ONE Handguard - 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, providing the...
    MSRP: $565.00
    $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $565.00
    $484.95
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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.