Upper P3 300BLK 12.5″ AARS

$1,874.99 $1,593.74


Availability: Available on backorder



The Adams Arms P3 features a PROOF Research Carbon Fiber Wrapped Barrel, jet comp, ambidextrous charging handle, low mass carrier, an ergonomic free float rail, and our P Series Micro Block Adjustable piston system.

*We only guarantee the reliable cycling of Sub-Sonic ammunition with the use of a suppressor


Upper Receiver: A4 Flat-Top, Forged

Barrel Length: 12.5″

Barrel Contour: Government

Barrel Material: PROOF Carbon Fiber Wrapped

Muzzle Thread Pattern: 5/8″-24

Chrome Lined: No

Barrel Finish: QPQ Melonite / Black Nitride

Twist Rate: 1 in 7″

Chamber: 300BLK

M4 Feed Ramps: Yes

Bolt Carrier: Low Mass Full-Auto Rated 1-Piece w/Integral Piston Strike Face

Muzzle Device: Jet Comp

Gas System Length: Pistol, Short Stroke Piston Operated

Gas Block Diameter: 0.750″

Handguard: Adams Arms AARS M-LOK Rail System

Sights: None

Weight: 3.6 lbs

UPC: 812151024756

Lifetime Warranty: Yes