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
Daniel Defense 5.56 NATO 11.5" 1:7 Contract Overrun Upper Receiver w/DD4 7.0 Handguard
Daniel Defense
MSRP: $1,099.00$899.00Daniel Defense 5.56 NATO 11.5" 1:7 Contract Overrun Upper Receiver w/DD4 7.0 Handguard The Contract Overrun upper receiver group is built for maximum maneuverability with its 11.5" Government-profile barrel and Carbine length gas system, ensuring smooth...MSRP: $1,099.00$899.00 -
Out of stock
16" AR 15 "Tiger King" Complete Upper W/12" M-LOK Handguard
Black Rifle Depot
MSRP: $399.95$339.9516" 5.56 NATO "Tiger King" AR 15 Complete Upper with 12" M-LOK Handguard Top-Tier Performance, Ready Out of the Box The "Tiger King" Complete AR-15 Upper from Black Rifle Depot delivers reliable performance and exceptional quality straight from the...MSRP: $399.95$339.95 -
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 -
Out of stock
Dirty Bird 10.5" 5.56 M-LOK AR 15 Upper Assembly
Dirty Bird Industries
MSRP: $444.95$419.95Dirty Bird 10.5″ 5.56 M-LOK AR 15 Upper Assembly This Dirty Bird Industries Upper Assembly 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...MSRP: $444.95$419.95 -
Out of stock
16" 5.56 SOCOM Quad Rail AR-15 Complete Upper
Black Rifle Depot
MSRP: $329.95$309.9516" 5.56 SOCOM Quad Rail Complete Upper Affordable, Reliable, and Built for Performance The 16" 5.56 SOCOM Quad Rail Complete Upper is designed to deliver exceptional performance without breaking the bank. Featuring a BRD 16" SOCOM barrel with a 1:7...MSRP: $329.95$309.95 -
Out of stock
Rebel 16" 5.56 AR 15 Upper With 12" Quad Handguard
Dirty Bird Industries
MSRP: $459.95$419.95Dirty Bird Rebel 16" 5.56 AR 15 Upper With 12" Quad Handguard This 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 Forged Upper Receiver and...MSRP: $459.95$419.95 -
Dirty Bird 10.5" 5.56 M-LOK AR 15 Upper Assembly (FDE)
Dirty Bird Industries
$419.95Dirty 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 -
Out of stock
Dirty Bird 10.5" 5.56 M-LOK AR 15 Upper Assembly (OD Green)
Dirty Bird Industries
MSRP: $464.95$419.95Dirty 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...MSRP: $464.95$419.95 -
16" Carbine 5.56 NATO 1:7 Complete Upper
Black Rifle Depot
MSRP: $389.95$329.9516" 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 -
Out of stock
Dirty Bird 10.5" 5.56 M-LOK AR 15 Upper Assembly (Midnight Bronze)
Dirty Bird Industries
MSRP: $464.95$419.95Dirty 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...MSRP: $464.95$419.95 -
Out of stock
Dirty Bird 16" Government Midlength 5.56 M-LOK Left-Handed Complete Upper
Dirty Bird Industries
MSRP: $649.99$584.99Dirty Bird 16" Government Midlength 5.56 M-LOK Left-Handed Complete Upper Lefties rejoice, the Dirty Bird 16" Government Midlength 5.56 M-LOK Left-Handed Complete Upper was built just for you. This is a high quality mil-spec compatible upper assembly...MSRP: $649.99$584.99 -
Out of stock
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$546.95Aero Precision AR-15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard (Includes BCG & CH) Features Upper: Standard AR15 Upper Receiver Barrel: 16" 5.56 CMV Mid-Length Barrel w/ Pinned FSB, 1/7 twist, Black...MSRP: $640.00$546.95 -
Out of stock
Aero Precision M4E1 Threaded PRO 13.7" CHF 5.56 M-LOK Midlength AR-15 Complete Upper
Aero Precision
MSRP: $1,115.00$969.95Aero Precision M4E1 Threaded PRO 13.7" CHF 5.56 M-LOK Midlength Complete Upper The PRO Upper Receiver Group built around our PRO 5.56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard, BREACH Charging Handle,...MSRP: $1,115.00$969.95 -
Out of stock
Black Rain Ordnance 16" 5.56 NATO Complete Upper W/A2 Fixed Sight
Black Rain Ordnance
$599.00Black Rain Ordnance 16" 5.56 NATO Complete Upper W/ A2 Fixed Sight The Black Rain Ordnance 16" 5.56 NATO complete AR 15 upper with fixed front A2 sight comes complete and ready to mount to your lower of choice. These AR 15 complete uppers come with Black...$599.00 -
Geissele URGI CHF Barrel 5.56 Complete Upper Assembly Black/DDC Anodized-MK16 HG
Geissele Automatics
$1,450.00Geissele URGI CHF Barrel 5.56 Complete Upper Assembly Black/DDC Anodized-MK16 HG For more than 50 years the famed silhouette of the M16/M4 has only had one major and several minor changes. Barrel lengths and buttstocks have changed, but more or less the...$1,450.00 -
Out of stock
Colt LE6920 Enhanced Complete Upper with Centurion Rail - 5.56 - 16"
Colt Manufacturing
$1,229.95Colt LE6920 Enhanced Complete Upper with Centurion Rail - 5.56 - 16" The Colt LE6920 Enhanced Complete Upper with Centurion Rail is a great option to upgrade your current AR-15 or for your next build. This upper receiver offers a free-floated barrel and...$1,229.95 -
Out of stock
Geissele Automatics USASOC URG-I Near Clone AR-15 Pistol Upper Receiver Assembly
Geissele Automatics
$1,450.00Geissele Automatics USASOC URG-I Near Clone AR-15 Pistol Upper Receiver Assembly For more than 50 years the famed silhouette of the M16/M4 has only had one major and several minor changes. Barrel lengths and buttstocks have changed, but more or less the...$1,450.00 -
Out of stock
Radical Firearms 16" 5.56 NATO Complete Upper Assembly
Radical Firearms
$474.95Radical Firearms 16" 5.56 NATO Complete Upper Assembly The Radical Firearms 5.56mm upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the...$474.95 -
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" 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
Aero Precision M4E1 Threaded PRO 12.5" CHF 5.56 M-LOK Midlength Complete Upper
Aero Precision
MSRP: $1,095.00$950.95Aero Precision M4E1 Threaded PRO 12.5" CHF 5.56 M-LOK Midlength Complete Upper The PRO Upper Receiver Group built around our PRO 5.56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard, BREACH Charging Handle,...MSRP: $1,095.00$950.95 -
Out of stock
Aero Precision M4E1 Threaded PRO 16.3" CHF 5.56 M-LOK Midlength Complete Upper
Aero Precision
MSRP: $1,145.00$993.95Aero Precision M4E1 Threaded PRO 16.3" CHF 5.56 M-LOK Midlength Complete Upper The PRO Upper Receiver Group built around our PRO 5.56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard, BREACH Charging Handle,...MSRP: $1,145.00$993.95 -
Out of stock
Daniel Defense DD4 RIIIS AR-15 5.56 NATO Carbine 1:7 11.5" Complete Upper Receiver - Black
Daniel Defense
MSRP: $1,412.00$1,359.95Daniel Defense DD4 RIIIS AR-15 5.56 NATO Carbine 1:7 11.5" Complete Upper Receiver - Black The Daniel Defense DD4 RIII Upper Receiver Group is a high-performance, precision-built AR-15 upper receiver that is perfect for your next SBR build. The upper...MSRP: $1,412.00$1,359.95 -
Daniel Defense DD4 RISIII-S AR-15 5.56 NATO Carbine 1:7 11.5" Complete Upper Receiver - FDE
Daniel Defense
MSRP: $1,412.00$1,359.95Daniel Defense DD4 RISIII-S AR-15 5.56 NATO Carbine 1:7 11.5" Complete Upper Receiver - FDE The Daniel Defense DD4 RISIII-S upper receiver is built for reliability and performance. Its 11.5-inch cold hammer forged barrel ensures accuracy and durability,...MSRP: $1,412.00$1,359.95 -
Out of stock
Daniel Defense DDM4V7 AR 15 Complete Upper
Daniel Defense
MSRP: $1,263.00$1,214.00Daniel Defense DDM4V7 AR 15 Complete Upper The Daniel Defense M4 V7 Upper Receiver Group is built around a Cold Hammer Forged 16" Government profile barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a...MSRP: $1,263.00$1,214.00 -
Daniel Defense MK18 Black 5.56 NATO 10.3" Short Barrel Upper Receiver Group
Daniel Defense
$1,412.00Daniel 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 -
Out of stock
Daniel Defense MK18 RIII 5.56mm NATO Black Upper Receiver Group
Daniel Defense
MSRP: $1,468.00$1,366.00Daniel 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$1,366.00 -
Out of stock
Daniel Defense MK18 RIII Upper Receiver Group
Daniel Defense
MSRP: $1,468.00$1,366.00Daniel 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$1,366.00 -
Out of stock
Dirty Bird 16" Side-Charging 5.56 NATO Govt M-LOK Complete Upper
Dirty Bird Industries
MSRP: $699.95$629.95Dirty Bird 16" Side-Charging 5.56 NATO Govt M-LOK Complete Upper This Dirty Bird Industries 9mm Complete Upper features a Side-Charging upper receiver and pairs it with one of the best-selling 15" Dirty Bird SMRS M-LOK Handguards. NEW: The Dirty Bird...MSRP: $699.95$629.95 -
Dirty Bird Slick-Side 16" 9mm 1:10 M-LOK Complete Upper
Dirty Bird Industries
MSRP: $499.95$449.95Dirty 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 -
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.