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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  • 16" Patriot 5.56 NATO AR 15 Upper

    16" Patriot 5.56 NATO AR-15 Complete Upper

    Black Rifle Depot

    MSRP: $569.95
    $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
    $479.95
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    MSRP: $569.95
    $479.95
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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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  • 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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  • 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
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  • 16" Carbine 5.56 NATO 1:7 Complete Upper

    16" Carbine 5.56 NATO 1:7 Complete Upper

    Black Rifle Depot

    MSRP: $389.95
    $329.95
    16" Carbine 5.56 NATO 1:7 Complete Upper Who doesn't like a nice quad rail This upper also features a 16" BCA barrel chambered in 5.56 NATO with a 1:7 twist and a carbine length gas system. This upper uses a nitrided steel gas block from APOC Armory as...
    MSRP: $389.95
    $329.95
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  • 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
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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
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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
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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
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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
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    MSRP: $429.95 - $454.95
    $389.95 - $419.95
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  • Aero Precision M5 Complete Upper, 24" 6.5 CM SS Fluted BRL ATLAS S-ONE 15" M-LOK HG - FDE Cerakote

    Aero Precision M5 Complete Upper, 24" 6.5 CM SS Fluted BRL ATLAS S-ONE 15" M-LOK HG - FDE Cerakote

    Aero Precision

    MSRP: $975.00
    $839.95
    Aero Precision M5 Complete Upper, 24" 6.5 CM SS Fluted BRL ATLAS S-ONE 15" M-LOK HG - FDE Cerakote This 6.5 Creedmoor upper is an easy upgrade to your existing or new build M5/308 AR. Utilizing all compatible parts with the exception of the barrel, you...
    MSRP: $975.00
    $839.95
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  • Daniel Defense MK18 Black 5.56 NATO 10.3" Short Barrel Upper Receiver Group

    Daniel Defense MK18 Black 5.56 NATO 10.3" Short Barrel Upper Receiver Group

    Daniel Defense

    $1,412.00
    Daniel Defense MK18 Black 5.56 NATO 10.3" Short Barrel Upper Receiver Group The MK18 AR15 style Upper Receiver Group is unmatched in size, weight, and performance, and features the picatinny quad rail Daniel Defense provides to USSOCOM.  The RIS II...
    $1,412.00
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  • On Sale
    Daniel Defense MK18 RIII 5.56mm NATO Black Upper Receiver Group

    Daniel Defense MK18 RIII 5.56mm NATO Black Upper Receiver Group

    Daniel Defense

    MSRP: $1,468.00
    Now: $999.00
    Was: $1,366.00
    Daniel Defense MK18 RIII 5.56mm NATO Black Upper Receiver Group Daniel Defense's MK18 RIII Upper Receiver Group is a perfect start to a custom AR build. It comes equipped with a Cold Hammer Forged Chrome Moly Vanadium Steel barrel, and is topped with a...
    MSRP: $1,468.00
    Now: $999.00
    Was: $1,366.00
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    MSRP: $1,468.00
    Now: $999.00
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  • On Sale
    Daniel Defense MK18 RIII Upper Receiver Group

    Daniel Defense MK18 RIII Upper Receiver Group

    Daniel Defense

    MSRP: $1,468.00
    Now: $999.00
    Was: $1,468.00
    Daniel Defense MK18 RIII Upper Receiver Group The MK18 AR15-style Upper Receiver Group is unmatched in size, weight, and performance, and features the new Daniel Defense RIS III rail. The lightweight RIS III rail—modeled after the revolutionary RIS...
    MSRP: $1,468.00
    Now: $999.00
    Was: $1,468.00
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    MSRP: $1,468.00
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  • Dirty Bird 16″ SPR 6mm ARC Stainless Midlength M-LOK Complete Upper

    Dirty Bird 16″ SPR 6mm ARC Stainless Midlength M-LOK Complete Upper

    Dirty Bird Industries

    MSRP: $554.99
    $529.95
    Dirty Bird 16″ SPR 6mm ARC Stainless Midlength M-LOK Complete Upper 6mm ARC is quickly becoming one of the most versatile rounds for the AR-15. With better ballistic coefficients and velocity than 5.56 and .223 and a flatter shooting experience...
    MSRP: $554.99
    $529.95
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    $529.95
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  • Dirty Bird 20" Lightweight .22-250 Rifle Stainless Steel Slick-Side M-LOK Complete Upper

    Dirty Bird 20" Lightweight .22-250 Rifle Stainless Steel Slick-Side M-LOK Complete Upper

    Dirty Bird Industries

    MSRP: $799.95
    $719.95
    Dirty Bird 20" Lightweight .22-250 Rifle Stainless Steel Slick-Side M-LOK Complete Upper The Dirty Bird 20" .22-250 Complete Upper is a great building block for your next tack driver build! .22-250 is a high-velocity round that is not only...
    MSRP: $799.95
    $719.95
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    MSRP: $799.95
    $719.95
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  • Dirty Bird Industries 7.5" 5.56 DRP Pistol M-LOK V2 Upper Assembly

    Dirty Bird Industries 7.5" 5.56 DRP Pistol M-LOK V2 Upper Assembly

    Dirty Bird Industries

    MSRP: $409.95
    $369.95
    Dirty Bird Industries 7.5" 5.56 DRP Pistol M-LOK V2 Upper Assembly Premium 7.5" Pistol Upper Assembly Built for Durability, Accuracy, and Versatility The Dirty Bird Industries 7.5" 5.56 DRP Pistol M-LOK V2 Upper Assembly is engineered to deliver...
    MSRP: $409.95
    $369.95
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    MSRP: $409.95
    $369.95
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  • Dirty Bird Slick-Side 16" 9mm 1:10 M-LOK Complete Upper

    Dirty Bird Slick-Side 16" 9mm 1:10 M-LOK Complete Upper

    Dirty Bird Industries

    MSRP: $499.95
    $449.95
    Dirty Bird Slick-Side 16" 9mm 1:10 M-LOK Complete Upper This Dirty Bird Industries 9mm Complete Upper features a PCC (Pistol Caliber Carbine) upper receiver with a Last Round Bolt Hold Open (LRBHO) mechanism and pairs it with one of the best-selling 15"...
    MSRP: $499.95
    $449.95
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    MSRP: $499.95
    $449.95
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  • Foxtrot Mike Products 16" Forward Charging 9mm AR-15 Complete Upper

    Foxtrot Mike Products 16" Forward Charging 9mm AR-15 Complete Upper

    Foxtrot Mike

    MSRP: $489.00
    $469.00
    Foxtrot Mike Products 16" Forward Charging 9mm AR-15 Complete Upper The Foxtrot Mike Products FM-9 Complete 9mm AR-15 Upper Receiver is built from the ground up to provide outstanding reliability and accuracy with a host of top tier features. The...
    MSRP: $489.00
    $469.00
    Qty in Cart: 0
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    MSRP: $489.00
    $469.00
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  • On Sale
    Geissele Automatics Duty AR-15 Complete Upper Receiver Carbine - DDC - 10.3"

    Geissele Automatics Duty AR-15 Complete Upper Receiver Carbine - DDC - 10.3"

    Geissele Automatics

    MSRP: $1,410.00
    Now: $1,189.00
    Was: $1,410.00
    Geissele Automatics Duty AR-15 Complete Upper Receiver Carbine - DDC - 10.3" The Geissele Super Duty Upper (Complete) features the latest in weapon technology available exclusively from Geissele Automatics. This 10.3” complete upper chambered in 5...
    MSRP: $1,410.00
    Now: $1,189.00
    Was: $1,410.00
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    MSRP: $1,410.00
    Now: $1,189.00
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  • Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - DDC - 16"

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

    Geissele Automatics

    $1,410.00
    Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - DDC - 16" The Geissele Super Duty Upper (Complete) features the latest in weapon technology available exclusively from Geissele Automatics. This 16” complete upper...
    $1,410.00
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    $1,410.00
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  • Premium 16" .223 Wylde Gov Mid M-LOK Complete Upper

    Premium 16" .223 Wylde Gov Mid M-LOK Complete Upper

    Black Rifle Depot

    MSRP: $469.95
    $399.95
    Premium 16" .223 Wylde Gov Mid M-LOK Complete Upper We wanted to build an affordable upper assembly without cutting corners. This means using a nitrided steel gas block from an American Manufacturer as opposed to aluminum, quality American Made...
    MSRP: $469.95
    $399.95
    Qty in Cart: 0
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    MSRP: $469.95
    $399.95
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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.