P1 Upper Features

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.

P1 Upper Specifications

• Caliber: 5.56x45mm NATO
• Model: P1
• Barrel Length Range: 16″ to 16.99″
• Sights: None, Optic Ready
• Muzzle: A2 Flash Hider
• Firearm Fit: AR Platform
• Handguard Finish: Black
• Handguards: M4
• Receiver Finish: Black
• Receiver Material: Aluminum
• Thread Pattern: 1 / 2″-28 tpi
• Twist: 1:7″
• Weight: 4.10 lbs
• Barrel Description: 4150 Chrome Moly Vanadium
• Barrel Finish: Black Nitride
• Barrel Material: Steel
• Barrel Length: 16″