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, M4 furniture, and the SB Mini Brace. The P1 is your Piston Driven foundation, ready to be customized to fit your needs.
Your firearms purchase order will not be finalized or shipped until an FFL is received and approved. Following your purchase, you will receive instructions for submitting an FFL.
***We will not ship rifles or magazines to jurisdictions where they are prohibited by law***
Upper Receiver: A4 Flat-Top, Forged
Barrel Length: 11.5"
Barrel Contour: M4
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: Carbine, Short Stroke Piston Operated
Gas Block Diameter: 0.750"
Handguard: M4 Handguards
Grip: A2 Grip
Trigger: Standard G.I.
Stock: SB Mini Pistol Brace
Weight: 5.7 lbs
OAL: 28.5" collapsed
Lifetime Warranty: Yes