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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20" 5.56 Gov / SOCOM M-LOK Upper Assembly
Black Rifle Depot
MSRP: $399.95$359.9520" 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 -
Out of stock
Aero Precision 20in 5.56 NATO AR 15 Upper
Aero Precision
$565.00Aero Precision 20in 5.56 NATO AR 15 Upper The Aero Precision 20in 5.56 NATO AR-15 Upper – is a high-quality, versatile AR-15 upper designed for the discerning firearms enthusiast. This complete upper is the same one featured on the AERO M16A4...$565.00 -
Out of stock
Aero Precision AR-15 10.5" 5.56 Carbine Complete Upper w/ Pinned FSB, MOE Carbine – Black
Aero Precision
MSRP: $435.00$376.95Aero 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 -
Out of stock
Luth-AR 24" Bull Barrel AR 15 Complete Upper Assembly
Luth-AR
$514.95Luth-AR 24" Bull Barrel AR 15 Complete Upper Assembly The Luth-AR 24" Fluted Bull Barrel Complete Upper Barrel Assembly Starts with a 24", .223 caliber fluted bull barrel made from 416 SST with a 1-9" twist mated to a A3 Flattop receiver which...$514.95 -
Aero Precision 20" Rifle 5.56 AR-15 Complete Upper w/ Pinned FSB & A2 Handguard
Aero Precision
MSRP: $565.00$489.95Aero 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 -
Out of stock
Aero Precision AR-15 Complete Upper 20" 5.56 w/ Pinned FSB & MOE Handguard - Black
Aero Precision
MSRP: $485.00$419.95Aero 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 -
Out of stock
Dirty Bird 20" M16A2 Enhanced Retro AR 15 Complete Upper
Dirty Bird Industries
MSRP: $649.95$617.95Dirty Bird 20" M16A2 Enhanced Retro AR 15 Complete Upper The Dirty Bird Industries M16A2 20″ 5.56 Retro Upper Assembly is the next iteration in the line of DBI’s popular Complete Uppers. Dirty Bird Industries has sourced some of the finest...MSRP: $649.95$617.95 -
Out of stock
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$588.95Aero 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 -
Out of stock
AERO Precision M4E1-T 18" .223 Wylde AR-15 Complete Upper Assembly
Aero Precision
MSRP: $595.00$508.95The AERO Precision M4E1-T Threaded 18" .223 Wylde AR 15 Upper Assembly Black Rifle Depot is proud to offer the AERO Precision M4E1-T Threaded 18" .223 Wylde AR 15 upper that includes their new ATLAS S-ONE Handguard! The S-ONE line...MSRP: $595.00$508.95 -
Out of stock
Dirty Bird 20" M16A2 Enhanced AR 15 Retro Upper Assembly - Chrome-Lined
Dirty Bird Industries
MSRP: $679.95$645.95Dirty Bird 20" M16A2 Enhanced AR 15 Retro Upper Assembly Chrome-Lined The Dirty Bird Industries M16A2 20″ 5.56 Retro Upper Assembly is the next iteration in the line of DBI’s popular Complete Uppers. Dirty Bird Industries has sourced some of...MSRP: $679.95$645.95 -
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...MSRP: $399.95$289.95 -
Out of stock
Aero Precision M4E1-T Threaded 18" 5.56 AR 15 Upper Assembly
Aero Precision
MSRP: $665.00$569.95Aero Precision M4E1-T Threaded 18" 5.56 AR 15 Upper Assembly The AERO Precision M4E1-T 18" 5.56 AR 15 Upper comes with the new ATLAS-S ONE M-LOK Handguard. AERO Precision's ATLAS-S ONE handguard is designed to be lightweight without...MSRP: $665.00$569.95 -
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
Aero Precision M4E1 Enhanced Complete Upper, 20" 6.5 Grendel SS Barrel, EM-15 Gen 2 HG - Anodized Black
Aero Precision
MSRP: $765.00$655.95Aero Precision M4E1 Enhanced Complete Upper, 20" 6.5 Grendel SS Barrel, EM-15 Gen 2 HG - Anodized Black Upgrade the performance of your AR15 build with this 6.5 Grendel Complete Upper Receiver. Designed to be a low recoil/high accuracy cartridge, the 6...MSRP: $765.00$655.95 -
Out of stock
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$569.95Aero 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 -
Out of stock
Aero Precision M4E1 Threaded Complete Upper, 18" 6.5 Grendel SS Barrel ATLAS S-ONE 15" M-LOK HG - Anodized Black
Aero Precision
MSRP: $730.00$622.95M4E1 Threaded Complete Upper, 18" 6.5 Grendel SS Barrel ATLAS S-ONE 15" M-LOK HG - Anodized Black Superior Precision and Long-Range Performance Enhance your AR-15 with the M4E1 Threaded Complete Upper, featuring an 18-inch 6.5 Grendel stainless steel...MSRP: $730.00$622.95 -
Out of stock
Aero Precision M4E1-T 18" .223 Wylde Rifle Complete Upper w/ 15" M-LOK ATLAS S-ONE Handguard
Aero Precision
MSRP: $700.00$607.95Aero Precision M4E1-T 18" .223 Wylde Rifle Complete Upper w/ 15" M-LOK ATLAS S-ONE Handguard 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 perfect addition...MSRP: $700.00$607.95 -
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$835.95Aero 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$835.95 -
Dirty Bird 20" Lightweight .22-250 Rifle Stainless Steel Slick-Side M-LOK Complete Upper
Dirty Bird Industries
MSRP: $799.95$719.95Dirty 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 -
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 -
Out of stock
Foxtrot Mike 16" Rear Charging .45 AR-15 Complete Upper, 15" Handguard, CA Compliant Brake, Includes BCG
Foxtrot Mike
MSRP: $499.99$479.95Foxtrot Mike 16" Rear Charging .45 AR-15 Complete Upper, 15" Handguard, CA Compliant Brake, Includes BCG The Foxtrot Mike Products Complete .45 AR upper is the package you have been waiting for to finish your Glock mag AR-45 build. This .45 upper...MSRP: $499.99$479.95 -
Out of stock
M4E1 Threaded Complete Upper 6.5 Grendel SS Barrel ATLAS R-ONE 15" M-LOK HG - Andonized
Aero Precision
MSRP: $730.00 - $765.00$622.95 - $655.95Aero Precision M4E1 Threaded Complete Upper, 6.5 Grendel SS Barrel w/ ATLAS R-ONE 15" M-LOK HG - Andonized Upgrade the performance of your AR-15 build with this 6.5 Grendel Complete Upper Receiver. Designed to be a low recoil/high accuracy cartridge,...MSRP: $730.00 - $765.00$622.95 - $655.95 -
Out of stock
Sons Of Liberty Gun Works East India Starter Kit .223 Wylde Barreled Upper - 18"
Sons of Liberty Gun Works
MSRP: $600.00$570.00Sons Of Liberty Gun Works East India Starter Kit .223 Wylde Barreled Upper - 18" At Sons of Liberty Gun Works they believe in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the...MSRP: $600.00$570.00
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.