Product Description

Adams Arms Upper 11.5″ Carbine Length 5.56 – Piston

The Adams Arms PZ model is the perfect platform for shooters who enjoy building and customizing their rifle. The PZ model includes our Picatinny Railed Gas Block with 3 adjustable settings and M4 furniture. The PZ is your Piston Driven foundation, ready to be customized to fit your needs.

SPECS:

Upper Receiver: A4 Flat-Top, Forged

Barrel Length: 11.5″

Barrel Contour: Govenment

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

Sights: None

Weight: 3.7 lbs

UPC: 812151023872

Lifetime Warranty: Yes

Additional information