9mm AR-15 Build Kits and Assemblies
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AT3™
AT3™ FF-ML 10.5 Inch Complete PCC AR 15 Upper – 9mm 10.5 Inch Faxon...
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...8 Options -
AT3™
AT3™ FF-ML 16 Inch Complete AR 15 PCC Upper – 9mm 16 Inch Faxon...
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 -...8 Options
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