Upper P1 5.56 11.5″

$549.99

FGAA-01358

Availability: Backordered 20+ Weeks

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Overview

The Adams Arms P1 model includes our 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.

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: 812151024671

Lifetime Warranty: Yes

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