Complete Upper ready for your AR15 lower to build rifle with shortest possible 16" barrel. This Piston AR rifle 300 BLK upper receiver group includes ambi charging handle and LOW MASS bolt carrier group. Adams Arms 16" Ajustable P2 Upper Receiver 300BLK 300 Blackout.
The Adams Arms P2 model is the tactical, battle-ready model in the P-Series lineup. The P2 model includes an ergonomic free float rail that covers the all new P-Series Micro Block Adjustable piston system. This upper features an A2 flash hider and an ambidextrous charging handle. The P2 is your off-the-shelf, tactical model that is configurable for any type of shooter.
Upper Receiver: A4 Flat-Top, Forged
Barrel Length: 16"
Barrel Contour: Government
Barrel Material: 4150 Chrome Moly Vanadium Steel
Muzzle Thread Pattern: 5/8" x 24
Chrome Lined: No
Barrel Finish: QPQ Melonite / Black Nitride
Twist Rate: 1 in 7"
M4 Feed Ramps: Yes
Bolt Carrier: Full-Auto Rated 1-Piece w/Integral Piston Strike Face
Muzzle Device: A2 Flash Hider
Gas System Length: Pistol, Short Stroke Piston Operated
Gas Block Diameter: 0.750"
Handguard: Adams Arms M-LOK Rail System
Weight: 4.7 lbs
Lifetime Warranty: Yes