AR-15 Complete Uppers
A high-quality AR-15 Complete Upper is crucial when assembling or upgrading your rifle, directly influencing accuracy, reliability, and overall performance. Our collection features premium AR-15 complete uppers designed for effortless integration, precision accuracy, and consistent function. Each complete upper receiver includes all essential components to quickly finalize your AR-15 build—such as barrels, handguards, gas systems, bolt carrier groups (BCGs), charging handles, and muzzle devices.
Whether embarking on your first AR-15 build or enhancing your current setup, our complete uppers simplify the process and deliver exceptional results. Every component is manufactured to exact specifications from superior-quality materials, ensuring durability and dependable performance even under demanding conditions. These complete uppers are fully compatible with mil-spec lower receivers and facilitate seamless, hassle-free assembly.
Streamline your next AR-15 project—choose from industry-leading brands renowned for quality, precision, and reliability.
Key Features:
- Complete uppers fully assembled with essential components
- Precision-machined for exact fit and optimal performance
- Durable, corrosion-resistant construction
- Mil-spec compatibility ensures seamless integration
- Easy-to-install design ideal for new builds or upgrades
- Available in various calibers and configurations to match your needs
Technical Specifications:
- Compatibility: Mil-spec AR-15 Lower Receivers
- Barrel Material: Chrome Moly Vanadium Steel or Stainless Steel
- Barrel Length Options: 10.5", 14.5", 16", 18", 20"
- Gas System: Carbine, Mid-length, Rifle-length (varies by configuration)
- Finish: Corrosion-resistant coatings (Nitride, Phosphate, Stainless Steel)
- Components Included: Barrel, Upper Receiver, Handguard, Bolt Carrier Group (BCG), Charging Handle, Gas Block & Tube, Muzzle Device
From first-time AR-15 enthusiasts to experienced sharpshooters, our AR-15 Complete Uppers deliver simplicity, dependability, and precision you can trust. Build your rifle right first with a premium upper from our trusted selection.
Frequently Asked Questions (FAQs):
Q: What components are included in an AR-15 complete upper?
A: A complete AR-15 upper typically includes the upper receiver, barrel, handguard, gas block, gas tube, bolt carrier group (BCG), charging handle, and muzzle device.
Q: Are AR-15 complete uppers compatible with all lower receivers?
A: Our AR-15 complete uppers are fully compatible with standard mil-spec AR-15 lower receivers.
Q: Do I need specialized tools to install an AR-15 complete upper?
A: No special tools are required. Installation typically involves just the takedown and pivot pins, allowing for quick and easy assembly.
Q: How long does it take to install a complete AR-15 upper?
A: Installation is quick and straightforward, often taking just a few minutes, even for beginners.
Q: Can I upgrade or customize components of my complete upper later?
A: Absolutely. Many AR-15 enthusiasts begin with a complete upper and later upgrade individual components like barrels, handguards, BCGs, or muzzle devices based on their specific preferences and shooting needs.
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Out of stock
18" .223 Wylde Spiral Fluted Midlength M-LOK Upper Assembly
Black Rifle Depot
MSRP: $329.95$314.9518" .223 Wylde Spiral Fluted Midlength M-LOK Upper Assembly No shortcuts—just sub-MOA performance and top-tier build quality. The 18" .223 Wylde Spiral Fluted Mid-length M-LOK Upper Assembly is crafted for shooters who demand tight tolerances,...MSRP: $329.95$314.95 -
Out of stock
20" 5.56 Phosphate Rifle M-LOK Government Upper Assembly
Black Rifle Depot
MSRP: $399.95$289.9520" 5.56 Phosphate Rifle M-LOK Government Upper Assembly The 20" 5.56 Phosphate Rifle M-LOK Government Upper Assembly is built for shooters who value accuracy, durability, and full-length performance. Featuring a 20-inch government-profile barrel with a...MSRP: $399.95$289.95 -
7.5" 5.56 DRP Pistol Quad Rail Complete Upper
Black Rifle Depot
MSRP: $499.95$414.957.5" 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 -
7.5" 7.62x39 Stainless Steel Medium Pistol M-LOK Upper Assembly
Black Rifle Depot
MSRP: $293.99$278.957.5" 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 -
Out of stock
Faxon Firearms Ascent 10.5" 5.56 Barrel Upper Receiver
Faxon Firearms
MSRP: $425.00$391.00Faxon Firearms Ascent 10.5" 5.56 Barrel Upper Receiver The Faxon Firearms Ascent 10.5" 5.56 Barrel Upper Receiver is the ultimate solution for those seeking to upgrade or build a high-performance AR-15. This premium upper receiver assembly includes a...MSRP: $425.00$391.00 -
Out of stock
14.5" 5.56 NATO M4A1 SOCOM Carbine Complete Upper w/ FSB
Black Rifle Depot
MSRP: $799.95$669.9514.5" 5.56 NATO M4A1 SOCOM Carbine Complete Upper w/ FSB M4A1 Block 1 SOCOM Complete Upper – Military-Grade Performance and Precision The M4A1 Block 1 SOCOM Complete Upper is built to deliver unmatched precision and reliability for shooters who...MSRP: $799.95$669.95 -
16" 5.56 Black Nitride 1:9 Carbine M-LOK Government Upper Assembly
Black Rifle Depot
MSRP: $299.99$249.9516" 5.56 Black Nitride 1:9 Carbine M-LOK Government Upper Assembly Built to outperform—reliability meets precision. The 16″ 5.56 Black Nitride 1:9 Carbine M-LOK Government Upper Assembly is a no-compromise solution for shooters who demand...MSRP: $299.99$249.95 -
Out of stock
16" 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly
Black Rifle Depot
MSRP: $399.99$345.9516" 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly The 16" 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly is crafted for quality and reliability without cutting corners. Featuring a brand new HBAR fluted stainless steel 5.56 barrel,...MSRP: $399.99$345.95 -
16" 7.62x39 Medium Carbine M-LOK Upper Assembly
Black Rifle Depot
MSRP: $339.99$299.9516" 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 -
16" 7.62x39 Phosphate Carbine M-LOK Heavy Upper Assembly
Black Rifle Depot
MSRP: $339.99$299.9516" 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 -
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 - $419.9516" 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 -
Out of stock
16" Carbine 400 Legend Medium M-LOK Upper Assembly
Black Rifle Depot
MSRP: $349.99$299.9516" 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 -
Out of stock
16" Lightweight Slick Slide Billet .223 Wylde Mid-Length 1:8 M-LOK Complete
Black Rifle Depot
MSRP: $509.95$499.9516" Lightweight Slick Slide Billet .223 Wylde Mid-Length 1:8 M-LOK Complete The 16" Lightweight Slick Slide Billet .223 Wylde Mid-Length 1:8 M-LOK Complete Upper is engineered for maximum weight savings without compromising quality or affordability...MSRP: $509.95$499.95 -
Out of stock
18" .223 Wylde Spiral Fluted 1:8 Fortis Night Rail Upper Assembly
Black Rifle Depot
MSRP: $570.95$495.9518" .223 Wylde Spiral Fluted 1:8 Fortis Night Rail Upper Assembly Precision and Versatility with Premium Features The 18" .223 Wylde Spiral Fluted 1:8 Fortis Night Rail Upper Assembly offers a balance of durability, accuracy, and aesthetics. Built with a...MSRP: $570.95$495.95 -
Out of stock
18" Carbine 400 Legend Medium M-LOK Upper Assembly
Black Rifle Depot
MSRP: $399.99$349.9518" 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 -
18" Midlength 22 ARC Medium Stainless M-LOK Upper Assembly
Black Rifle Depot
MSRP: $499.99$399.9518" 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 -
18" Midlength 6mm ARC Medium M-LOK Upper Assembly
Black Rifle Depot
MSRP: $399.00$349.9918" 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 -
20" 5.56 Phosphate + Chrome-Lined Rifle M-LOK Heavy Upper Assembly
Black Rifle Depot
MSRP: $449.99$349.9520" 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 -
20" Rifle .224 Valkyrie Medium Spiral Fluted Nitride Upper Assembly
Black Rifle Depot
MSRP: $399.95$349.9520" 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 -
20" Rifle 6mm ARC Medium M-LOK Upper Assembly
Black Rifle Depot
MSRP: $449.99$399.9920" 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 -
8" Pistol 5.56 Government M-LOK Upper Assembly
Black Rifle Depot
MSRP: $299.99$279.958" 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 -
8" Pistol 5.56 Stainless M-LOK Upper Assembly
Black Rifle Depot
MSRP: $319.95$284.958" 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 -
Out of stock
8.3" 9mm M-LOK Complete Upper with LRBHO
Black Rifle Depot
MSRP: $398.95$349.958.3" 9mm M-LOK Complete Upper with LRBHO High-Performance Upper for Pistol or SBR Builds The BRD 8.3" 9mm M-LOK Complete Upper with Last Round Bolt Hold-Open (LRBHO) functionality is the perfect choice for your next pistol or NFA-compliant SBR build...MSRP: $398.95$349.95 -
Out of stock
Faxon ARAK-21 12.5" 5.56 Complete Upper
Faxon Firearms
$999.00Faxon ARAK-21 12.5" 5.56 Complete Upper The ARAK-21® is a gas piston actuated, complete upper receiver assembly designed to seamlessly interface with the standard AR-15 platform. The total extent of the interface is simply the take...$999.00 -
Out of stock
Faxon ARAK-21 16" 5.56 Ambidextrous Piston Complete Upper
Faxon Firearms
$1,199.00Faxon ARAK-21 16" 5.56 Ambidextrous Piston Complete Upper The ARAK-21® is a gas piston actuated, complete upper receiver assembly designed to seamlessly interface with the standard AR-15 platform. The total extent of the interface is...$1,199.00 -
Out of stock
Faxon Firearms ION Ultralight 16" 5.56 Barrel Complete Upper Receiver
Faxon Firearms
MSRP: $1,099.00$1,011.95Faxon Firearms ION Ultralight 16" 5.56 Barrel Complete Upper Receiver FX5500-U features our 14.5" Pencil Barrel with Integral Slim 3-Port Muzzle Brake which meets the NFA 16" minimum barrel length requirement, 13” Streamline Carbon Fiber Handguard,...MSRP: $1,099.00$1,011.95 -
Premium 16" .223 Wylde Gov Mid M-LOK Complete Upper
Black Rifle Depot
MSRP: $469.95$399.95Premium 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 -
Out of stock
Sport 16" 5.56 Gov / SOCOM Midlength M-LOK Upper Assembly
Black Rifle Depot
MSRP: $323.95$289.95Sport 16" 5.56 Gov / SOCOM Midlength M-LOK Upper Assembly Superior Craftsmanship for Reliable and Accurate Shooting Upgrade your AR-15 with this top-tier upper assembly, designed for shooters who demand quality without compromise. Featuring a mil-spec...MSRP: $323.95$289.95
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:
- Ease of Use: Complete uppers eliminate the guesswork of assembling parts, making them ideal for beginners and experienced users.
- Performance Assurance: Pre-assembled uppers are often tested for quality, ensuring optimal performance right out of the box.
- 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:
- Aero Precision Complete Uppers: Renowned for its reliability and durability, Aero offers premium uppers ideal for tactical and recreational shooting.
- 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.
- 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.
- 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:
- Caliber Compatibility: Ensure the upper matches your intended caliber, such as 5.56/.223, .300 Blackout, or 6.5 Grendel.
- Barrel Length: Choose a barrel length suited to your application, from 10.5 inches for CQB setups to 20 inches for long-range precision.
- Brand Reputation: Opt for trusted manufacturers for quality assurance.
- Material and Finish: Consider durable materials like 7075-T6 aluminum and corrosion-resistant finishes like nitride or phosphate.
- 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?
- 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).
- Can I Use a Complete Upper with Any Lower?
- Yes, provided they follow the exact specifications, such as caliber and buffer system compatibility.
- How Do I Choose the Right Barrel Length?
- Consider your intended use—shorter barrels for maneuverability and longer for accuracy.
- Are Blemished Uppers Reliable?
- Yes, blemished uppers typically have minor cosmetic flaws that do not affect functionality.
- Do Complete Uppers Come with a Warranty?
- Most reputable brands provide warranties, ensuring peace of mind with your purchase.
- What Calibers Are Available for AR-15 Complete Uppers?
- Common calibers include 5.56/.223, .300 Blackout, 6.5 Grendel, and .224 Valkyrie.
- 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.
- 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.