Complete Uppers - AT3 Tactical
Built with quality components and manufacturing processes – AT3 Complete Upper assemblies are Built for Accuracy and Reliability – Guaranteed.
For a truly awesome build, use AT3 Complete Upper Receiver Assemblies. When it comes to AR-15, don’t settle for less. You can expect quality where it counts. Shop now! READ MORE
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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 -
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
Built with quality components and manufacturing processes – AT3 Complete Upper assemblies are Built for Accuracy and Reliability – Guaranteed.
For a truly awesome build, use AT3 Complete Upper Receiver Assemblies. When it comes to AR-15, don’t settle for less. You can expect quality where it counts. Shop now!
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