Complete Upper Assemblies - .223/5.56
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Aero Precision 20″ Complete AR15 A2 Carry Handle Rifle Upper – .223/5.56
Aero Precision 20" Complete AR15 A2 Carry Handle Rifle Upper - .223/5.56 Perfect for M16 AR15 builds, the Aero Precision Complete Carry Handle 20" Rifle Upper is one of the... -
AT3™
AT3™ FF-ML 10.5″ Complete AR 15 Pistol Upper – Choose Your Own 10.5 inch...
The AT3 10.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....16 Options -
AT3™
AT3™ FF-ML Complete Rifle AR 15 Upper – .223/5.56 16″ Ballistic Advantage Barrel –...
16 Inch Lightweight AT3 Upper with 15 Inch Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....16 Options -
Aero Precision 16″ Complete AR15 Magpul SL FSB Mid-Length Upper – .223/5.56
Aero Precision 16" Complete AR15 Magpul SL FSB Mid-Length Upper - .223/5.56 This complete upper is a great addition to any AR15 custom build. It features a standard AR15 Upper...2 Options -
AT3™
AT3™ FF-ML 10.5 Inch Complete AR 15 Pistol Upper – 10.5 Inch Faxon .223/5.56...
AT3 10.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality...24 Options -
AT3™
AT3™ FF-ML Complete Match Grade AR 15 Upper – .223 Wylde 16 Inch Faxon...
AT3 16" 223 Wylde Complete Upper with M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....24 Options -
Primary Weapons Systems MK116 Pro 16 Inch Complete 5.56 NATO AR-15 Upper Receiver
Perfect Balance of a Cost-Effective Piston System & High-Quality Construction The Primary Weapons Systems MK116 Pro Complete Upper is the perfect balance of a cost-effective piston system and high-quality construction... -
Spike’s Tactical Complete AR-15 Upper Receiver with 16 Inch M4 Profile 5.56 NATO FN...
Complete Upper with M4 Profile Hammer Forged FN Barrel Rugged and ready for duty, this complete upper from Spike's Tactical features a cold hammer forged barrel made by FN, with... -
Spike’s Tactical Complete AR-15 Upper Receiver with 16 Inch Midlength 5.56 NATO FN Barrel
Complete Upper with Midlength Hammer Forged FN Barrel Rugged and ready for duty, this complete upper from Spike's Tactical features a cold hammer forged barrel made by FN, with a... -
NEW
Anderson Manufacturing AM-15 Dissipator Upper Receiver with BCG and Charging Handle
Anderson Manufacturing AM-15 Dissipator Upper Receiver with BCG and Charging Handle The AM-15 Dissipator Upper Receiver by Anderson is a modern take on a classic, offering an enhanced shooting experience...Only$349.99 -
AT3™
AT3™ FF-ML 11.5″ Complete AR 15 Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel...
The AT3 11.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....8 Options -
Aero Precision M4E1 16″ Complete AR15 MLOK Mid-Length Free-Float Upper – .223/5.56
Aero Precision M4E1 16" Complete AR15 MLOK Mid-Length Free-Float Upper - .223/5.56 The Aero Precision M4E1 AR15 Complete Upper is a high-quality and reliable upper receiver that is perfect for...2 Options2 Optionsfrom $499.992 Options -
AT3™
AT3™ FF-ML 11.5 Inch Complete AR 15 Pistol Upper – .223/5.56 11.5 Inch Faxon...
AT3 11.5" Pistol Upper with Faxon Firearms Midlength Barrel - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....8 Options -
Radical Firearms 16″ 5.56 NATO Complete AR 15 Upper Receiver with M-LOK Handguard
Complete Budget-Friendly Upper Receiver for 5.56 NATO AR Builds The Radical Firearms 16" 5.56 NATO Complete Upper Receiver is a great way to start your .223/5.56 NATO AR build. It... -
Midwest Industries 16 Inch Complete AR 15 Upper with 14 Inch Combat Rail
Lightweight Upper with Combat-Ready M-LOK Handguard It's no secret that Midwest Industries makes quality components for just about every piece of the AR-15. Compared to your standard upper group, this...Only$579.95 -
Sons of Liberty Gun Works M4-EXO3 13.7 Inch Pinned and Welded Complete 5.56 NATO...
SOLGW Complete Upper with EXO3 Handguard and NOX Flash Hider This complete AR-15 upper has a more economical price, with all the great components that really matter. This complete upper... -
Sons of Liberty Gun Works M4-89 13.7 Inch Pinned and Welded Complete 5.56 NATO...
SOLGW Complete Upper with M-89 Handguard and NOX Flash Hider Sons of Liberty Gun Works offers this complete upper with numerous improvements over their tried-and-true designs. This upper features a...Only$950.00 -
Sons of Liberty Gun Works M4-76 16 Inch Complete 5.56 NATO Upper Receiver
SOLGW Complete Upper with M76 Wedge Lock Handguard This Sons of Liberty Gun Works upper is a great starting point for complete customization. It comes equipped with a 16 inch...Only$855.00 -
Daniel Defense DDM4V7 16 Inch Complete Lightweight 5.56 AR-15 Upper Receiver
Daniel Defense Upper with Chrome Lined Lightweight Profile Barrel Daniel Defense's lightweight barrels make all the difference in a fighting rifle. This complete upper receiver is easier to handle than...Only$1,156.00 -
HM Defense MONOBLOC 16 Inch Complete 5.56 AR-15 Upper Receiver with 10 Inch M-LOK...
Cost-Effective Complete Upper Receiver for A High-Performance AR-15 Build This HM Defense BUP Complete Upper Receiver features a 16-inch 4150 Chromoly barrel with an patented integrally machined gas block, and...Only$775.00 -
HM Defense MONOBLOC 16 Inch Complete 5.56 AR-15 Upper Receiver with 15 Inch M-LOK...
Cost-Effective Complete Upper Receiver for A High-Performance AR-15 Build This HM Defense BUP Complete Upper Receiver features a 16-inch 4150 Chromoly barrel with a patented integrally machined gas block, and...Only$875.00 -
Primary Weapons Systems MK116 MOD 1-M 16 Inch Complete .223 Wylde AR-15 Upper Receiver
Combines Agility & Reliability For A Sleek, Efficient Piston Driven Upper Assembly The PWS MK116 MOD 1-M features the PWS Mid-length long-stroke piston system that combines the agility of the...Only$1,029.49 -
2A Armament Palouse-Lite 16 Inch M-LOK 5.56 NATO AR-15 Upper Receiver
Cost Effective, Super Lightweight Upper 2A Armament's Palouse-Lite upper saves on weight dramatically compared to other complete uppers, but still has premium components. The pencil weight barrel is a super...Only$739.00 -
Black Rain Ordnance SPEC15 16 Inch Complete 5.56 AR-15 Upper Receiver
Complete Your Next Classic Carbine with the SPEC15 Complete Upper Receiver The Black Rain Ordnance SPEC-15 5.56 A2 Complete Upper Receiver is the perfect option for building an M4 style...Only$579.00
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