UPPER-Adams Arms FGAA01357 P1 Complete Piston Upper 5.56x45mm NATO

Adams Arms FGAA01357 P1 Complete Piston Upper 5.56x45mm NATO 16″ Black Nitride Barrel, Aluminum Black Receiver, M4 Handguard for AR-Platform

The Adams Arms P1 model is the perfect platform for shooters who enjoy building and customizing their rifle. The P1 model includes our Picatinny Railed Gas Block with 3 adjustable settings and M4 furniture. The P1 is your Piston Driven foundation, ready to be customized to fit your needs.