AR-15 Upper: 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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Midwest Industries 16 Inch Complete 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... -
New
Midwest Industries 10.5 Inch Complete Upper with 9.25 Inch Combat Rail
Combat-Ready AR-15 Pistol Upper with M-LOK Handguard If you're planning to run an AR Pistol, you'll be hard-pressed to find better options for a complete upper assembly. Midwest Industries has... -
AT3™
AT3™ FF-ML 11.5″ Complete Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel – 12″...
Uncompromising quality meets unbeatable value - The AT3 11.5" Pistol Upper with SPEAR M-LOK Handguard AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality Where it...12 Options -
AT3™
AT3™ FF-ML 10.5″ Complete Pistol Upper – Choose Your Own 10.5 inch .223/5.56 Barrel...
Uncompromising quality meets unbeatable value - The AT3 10.5" Pistol Upper with SPEAR M-LOK Handguard AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality Where it...24 Options -
AT3™
AT3™ FF-ML 11.5 Inch Complete Pistol Upper – .223/5.56 11.5 Inch Faxon Firearms Barrel...
AT3's Best Pistol Upper - Featuring an Adjustable Midlength Gas System on an 11.5" Faxon Firearms Barrel AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality...12 Options -
New
Midwest Industries 16 Inch Complete Upper with 15 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... -
AT3™
AT3™ FF-ML Complete Rifle Upper – .223/5.56 16″ Faxon Firearms Barrel – M-LOK Free...
Uncompromising quality meets unbeatable value. The AT3 Tactical FF-ML Complete AR-15 Upper, now with a lightweight Faxon Gunner barrel! AT3 Complete Upper assemblies are Built for Accuracy and Reliability -...24 Options -
AT3™
AT3™ FF-ML 10.5 Inch .300 Blackout Pistol Upper for AR-15 – 12″ M-LOK Free...
Uncompromising quality meets unbeatable value - The AT3 10.5" .300 BLK Pistol Upper with SPEAR M-LOK Handguard AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality...12 Options -
AT3™
AT3™ FF-ML 16 Inch Complete PCC Upper – 9mm 16 Inch Faxon Firearms Barrel...
The competitive edge you need for your Pistol Caliber Carbine - ready for your Glock or Colt style lower AT3 Complete Upper assemblies are Built for Accuracy and Reliability -...12 Options -
AT3™
AT3™ Complete Rifle Kit – Magpul Lower Build Kit – .223/5.56 16 Inch Ballistic...
Instant Rifle. Just Add Lower. Don't settle for the budget-line rifle kits you're used to seeing. Get a complete assembled upper from AT3 Tactical, with a lower build kit including...16 Options -
AT3™
FF-ML 20 Inch 6.5 Grendel Upper – 20 Inch Barrel by Faxon – 15...
Our First Match-Grade Upper, Ready for the Discerning Hunter or Marksman - The AT3 20" 6.5 Grendel Rifle Upper with SPEAR M-LOK Handguard AT3 Complete Upper assemblies are Built for...12 Options -
AT3™
AT3™ FF-ML 10.5 Inch Complete PCC Upper – 9mm 10.5 Inch Faxon Firearms Barrel...
Pistol Caliber, Pistol Configuration - The Foundation of a Great 9mm Subgun AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality Where it Counts - premium...12 Options -
AT3™
AT3™ FF-ML 16 Inch .300 BLK Complete Upper – .300 AAC Blackout 16 Inch...
Uncompromising quality meets unbeatable value - The AT3 16" .300 BLK Rifle Upper with SPEAR M-LOK Handguard AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality...12 Options -
AT3™
AT3™ FF-ML Complete Match Grade Upper – .223 Wylde 16 Inch Faxon Firearms Barrel...
If you're serious about accuracy, don't settle for less. Get the best value for match-grade shooting with AT3's first .223 Wylde Upper Receiver. AT3 Complete Upper assemblies are Built for...36 Options -
AT3™
AT3™ FF-ML 10.5 Inch Complete Pistol Upper – 10.5 Inch Faxon .223/5.56 SOCOM Barrel...
Uncompromising quality meets unbeatable value - The AT3 10.5" Pistol Upper with SPEAR M-LOK Handguard AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality Where it...36 Options -
Bushmaster AR-15 A3 Upper Receiver Assembly w/ Bolt Carrier Group – 5.56/.223 NATO 16″...
An excellent value for your next build, this complete upper includes the bolt carrier group. Just add it to any lower and you're ready to go! This Bushmaster XM15 A3...
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