The Adams Arms P1 is the introductory model to the P-Series. This model features ergonomic mid-length MOE handguards and the standard adjustable picatinny railed piston system. The P1 is perfect for any and all AR enthusiasts looking for a self-cleaning, piston driven upper that provides superior performance.
Upper Receiver: A4 Flat-Top, Forged
Barrel Length: 16"
Barrel Contour: Government
Barrel Material: 4150 Chrome Moly Vanadium Steel
Muzzle Thread Pattern: 1/2"-28
Chrome Lined: No
Barrel Finish: QPQ Melonite / Black Nitride
Twist Rate: 1 in 7"
Chamber: 5.56x45mm NATO
M4 Feed Ramps: Yes
Bolt Carrier: Full-Auto Rated 1-Piece w/Integral Piston Strike Face
Muzzle Device: A2 Flash Hider
Gas System Length: Mid, Short Stroke Piston Operated
Gas Block Diameter: 0.750"
Handguard: Magpul MOE Handguards
Weight: 4.4 lbs
Lifetime Warranty: Yes