Adams Arms FGAA00426: The Adams Arms P1 MOE is the introductory model to the P-Series. This model features ergonomic mid-length MOE handguards, the standard adjustable picatinny railed piston system, and a Magpul MOE 6-position stock and MOE Grip. The P1 MOE is perfect for any and all AR enthusiasts looking for a self-cleaning, piston driven rifle that provides superior performance.