The adams arms p1 model includes adam's picatinny railed gas block with 3 adjustable settings and m4-style furniture.The p1 is your piston driven foundation, ready to be customized to fit your needs.

Action: Semi-Auto
Caliber: 5.56x45mm NATO
Barrel Length: 16"
Capacity: 30+1
Trigger: Standard G.I.
Oal: 32.50"
Weight: 6.99 lbs
Stock Description: 6 Position Collapsible
Muzzle: A2 Flash Hider
Receiver Material: Aluminum
Sights: Optic Ready
Barrel Description: 4150 Chrome Moly Vanadium M4 Profile
Twist: 1:7"
Barrel Length Range: 16" to 16.99"
Weight Range: 6 lbs to 6.99 lbs
Hand: Right
Stock Finish Group: Black
Metal Finish Group: Blued/Black