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" 5.56 Gov / SOCOM Midlength Ultralight M-LOK Upper Assembly
Black Rifle Depot
MSRP: $334.95$299.9516" 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 -
16" Patriot 5.56 NATO AR-15 Complete Upper
Black Rifle Depot
MSRP: $569.95$479.9516" 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 -
16" 5.56 Left Handed AR-15 Complete Upper Assembly
Black Rifle Depot
MSRP: $499.95$479.9516" 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 -
Dirty Bird 16" Govt Mid 556 M-LOK AR-15 Complete Upper Assembly
Dirty Bird Industries
MSRP: $469.68 - $478.95$423.75 - $462.95Dirty 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 -
16" 5.56 NATO Pencil Midlength Lightweight M-LOK Upper Assembly
Black Rifle Depot
MSRP: $334.95$299.9516″ 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 -
16" Gov Mid M-LOK Upper Assembly
Black Rifle Depot
MSRP: $339.95 - $379.95$259.95 - $279.9516" 5.56 Gov / SOCOM Mid length M-LOK AR 15 Upper Assembly Premium Performance Upper Assembly for Tactical, Competition, or Recreational Use The 16" 5.56 Gov / SOCOM Mid-Length M-LOK AR 15 Upper Assembly is crafted for serious shooters...MSRP: $339.95 - $379.95$259.95 - $279.95 -
16" 5.56 Phosphate Midlength M-LOK Lightweight Complete Upper
Black Rifle Depot
MSRP: $399.99$339.9516" 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 -
16" .223 Wylde Gov Mid M-LOK AR-15 Complete Upper Assembly Black
Black Rifle Depot
MSRP: $329.95$319.9516" .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 -
16" 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly
Black Rifle Depot
MSRP: $299.99$249.9516" 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 -
Aero Precision M4E1 5.56 14.5" Complete Upper w/ Pinned VG6 Gamma 556SL
Aero Precision
MSRP: $725.00$631.95Aero Precision M4E1 5.56 14.5" Complete Upper w/ Pinned VG6 Gamma 556SL This complete upper includes our ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real estate to accommodate any...MSRP: $725.00$631.95 -
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$631.95Aero 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 -
Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver 5.56 Mid-Length - ATLAS S-ONE - 16"
Aero Precision
MSRP: $655.00$479.95Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver 5.56 Mid-Length - ATLAS S-ONE - 16" This Aero Precision M4E1 Threaded AR-15 upper receiver group comes completely assembled with a 16" 5.56 barrel and the ATLAS S-ONE M-LOK handguard. This...MSRP: $655.00$479.95 -
On Sale
16" Slick Side Billet 5.56 416R Stainless Midlength 1:7 M-LOK Complete Upper
Black Rifle Depot
MSRP: $387.95Now: $259.95Was: $344.9516" 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: $387.95Now: $259.95Was: $344.95 -
Aero Precision M4E1 Threaded 16" .223 Wylde Fluted Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black
Aero Precision
MSRP: $730.00$622.95Aero 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 -
Dirty Bird 16" 5.56 NATO Govt M-LOK Upper Assembly V3
Dirty Bird Industries
MSRP: $470.75 - $492.15$424.95 - $442.95This 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 -
Aero Precision M4E1-T Complete Upper, 16" 5.56 HBAR Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized
Aero Precision
MSRP: $655.00$522.95Aero 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 -
Dirty Bird 13.7" Government Midlength .223 Wylde M-LOK V3 Upper Assembly - D107
Dirty Bird Industries
$409.95Dirty 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 -
Dirty Bird 16" RECCE V2 .223 Wylde M-LOK Upper Assembly
Dirty Bird Industries
MSRP: $749.99 - $799.99$674.99 - $719.99Dirty 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 -
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$629.95M4E1 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 -
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 -
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 -
AERO Precision 16" AR 15 Upper W/A2 Front Sight - Black
Aero Precision
MSRP: $460.00$400.95AERO 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 -
Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS R-ONE - 14.5"
Aero Precision
MSRP: $640.00$546.95Aero 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 -
Aero Precision M4E1 Threaded No FA Complete Upper 16" 5.56 Mid 15" M-LOK ATLAS S-ONE - Anodized Black
Aero Precision
MSRP: $645.00$550.95Aero Precision 16" 5.56 M4E1 Threaded Complete Upper - Anodized Black Built for Precision, Durability, and Maximum Customization The Aero Precision M4E1 Threaded No FA Complete Upper with a 16-inch barrel delivers a high-performance solution for AR-15...MSRP: $645.00$550.95 -
Dirty Bird 16″ SPR 6mm ARC Stainless Midlength M-LOK Complete Upper
Dirty Bird Industries
MSRP: $554.99$529.95Dirty 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 -
Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - DDC - 16"
Geissele Automatics
$1,410.00Geissele 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 -
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
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.