AR-15 Complete Upper Assemblies
Get the Best Value for AR-15 Complete Upper Assembly
A complete upper is a full AR-15 upper half that includes the upper receiver, a barrel, a muzzle device, and (optional) bolt carrier group. READ MORE
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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... -
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 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 -
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 -
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 -
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 PCC AR 15 Upper – 9mm 10.5 Inch Faxon...
AT3 10.5" 9mm Complete Upper - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality Where it Counts...8 Options -
AT3™
AT3™ FF-ML 16 Inch Complete AR 15 PCC Upper – 9mm 16 Inch Faxon...
AT3 16" 9mm 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. Quality Where...8 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 -
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... -
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 -
STNGR 16″ .223 Wylde Complete Upper Receiver w/ 15″ HWK® Handguard, BCG & CH
STNGR Complete .223 Wylde Upper with HWK Handguard Introducing the new STNGR Complete Upper. As the name suggests, it comes complete with all the parts needed to have you sending... -
Radical Firearms 16″ .300 Blackout Complete AR 15 Upper Receiver with M-LOK Handguard
Complete Budget-Friendly Upper Receiver for .300 Blackout AR Builds The Radical Firearms 16" .300 Blackout Complete Upper Receiver is a great way to start your .300 Blackout AR build. It... -
Radical Firearms 16″ 7.62×39 Complete Upper Receiver with M-LOK Handguard
Complete Budget-Friendly Upper Receiver for 7.62mm AR Builds The Radical Firearms 16" 7.62x39 Complete Upper Receiver is a great way to start your 7.62mm AR build. It is an outstanding... -
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... -
Radical Firearms 16″ 6.5 Grendel AR 15 Complete Upper Receiver with M-LOK Handguard
Complete Budget-Friendly Upper Receiver for 6.5 Grendel AR Builds The Radical Firearms 16" 6.5 Grendel Complete Upper Receiver is a great way to start your 6.5 Grendel AR build. It... -
Aero Precision M5 16″ Complete AR10 MLOK Free-Float Upper – .308 WIN
Aero Precision M5 16" Complete AR10 MLOK Free-Float Upper - .308 WIN The Aero Precision M5 Complete Upper is an excellent option for those looking to build a lightweight .308...2 Options -
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... -
Aero Precision M5 20″ Complete AR10 MLOK Free-Float Upper with Stainless Barrel – 6.5...
Aero Precision M5 20" Complete AR10 MLOK Free-Float Upper with Stainless Barrel - 6.5 Creedmoor This product is a complete upper receiver for the AR10/M5 platform, chambered in 6.5 Creedmoor,...2 Options -
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... -
Aero Precision EPC-9 16″ Complete AR9 Free-Float Upper – 9MM
Aero Precision EPC-9 16" Complete AR9 Free-Float Upper - 9MM The Aero Precision EPC-9 Complete Upper is a high-quality upper receiver designed for 9MM caliber firearms. The upper receiver...2 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 10.5 Inch .300 Blackout Pistol Upper for AR-15 – 12″ M-LOK Free...
AT3 10.5" .300 BLK 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 -...8 Options
Other Other AR-15 Parts & Accessories:
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AR 15 Furniture Kits
AR-15 Cleaning Kit and Tools
AR-15 Conversion Kits .22 LR and More
AR-15 Rifle Bipods
AR-15 Slings & MountsComplete Upper Assemblies
Rifle Cases for AR-15
AR-15 Build Kits and Assemblies
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