Adams Arms P1 .223 Rem/5.56 16" Barrel Complete Upper - FGAA-01235
- Series/Collection: P1
- Handguard: Magpul MOE
- Caliber: 223 Remington/5.56x45mm NATO
- Barrel Type: Government
- Barrel Length: 16"
- Barrel Material: 4150 Chrome Moly Vanadium Steel
- Twist Rate: 1:7"
- Muzzle Type: A2 Flash Hider
- Receiver Type: A4 Flat-Top, Forged
- Receiver Finish: Black
- Barrel Finish: QPQ Melonite/Black Nitride
- Thread Size: 1/2-28
- Weight: 4.4 lb
- Bolt Carrier: Full-Auto Rated 1-Piece with Integral Piston Strike Face
- Gas System: Mid-Length, Short Stroke Piston Operated
- Gas Block Diameter: 3/4"
The Adams Arms P1 is the introductory model to the P-Series. This model features ergonomic mid-length 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.