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!
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AT3™ FF-ML 11.5 Inch Complete Pistol Upper – .223/5.56 11.5 Inch Faxon...From
$358.99$328.99 -
AT3™ FF-ML 11.5″ Complete Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel...From
$358.99$304.99 -
AT3™ FF-ML 10.5 Inch Complete Pistol Upper – Choose Your Own 10.5...From
$308.99$262.99 -
AT3™ FF-KM Complete Rifle Upper – .223/5.56 16″ Ballistic Advantage Barrel –...From
$388.99$329.99 -
AT3™ FF-ML 20 Inch 6.5 Grendel Complete Upper – 6.5 Grendel Type...From
$605.99$515.99 -
AT3™ Complete Rifle Kit – Magpul Lower Build Kit – .223/5.56 16...From
$699.99$599.99 -
AT3™ FF-KM 11.5″ Complete Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel...From
$388.99$329.99 -
AT3™ FF-ML Complete Rifle Upper – .223/5.56 16″ Ballistic Advantage Barrel –...From
$386.99$327.99 -
AT3™ FF-ML 9.5 Inch .300 BLK Complete Pistol Upper – .300 AAC...From
$377.99$320.99 -
AT3™ FF-ML 16 Inch .300 BLK Complete Upper – .300 AAC Blackout...From
$406.99$344.99 -
AT3™ FF-ML 10.5 Inch Complete Pistol Upper – 10.5 Inch Faxon .223/5.56...From
$370.99$329.99
