Adams Arms AR-15 Carbine-Length Gas Piston Upper Assembly, 5.56 NATO, 11.5" Barrel

854262002674
FGAA-01014
10-0406464
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The Adams Arms Carbine-Length Gas Piston Complete AR-15 Upper Assembly has everything you need in a piston upper assembly. The short stroke gas piston operating system is designed to run cooler and cleaner than a standard direct impingement system.

Piston systems increase overall reliability while also decreasing the amount of maintenance required to keep he firearm operational. This Adams Arms AR-15 upper receiver can be connected to any standard AR-15 pistol lower receiver. This upper receiver is not pinned or welded.

Note: All NFA rules apply.

Features and Specifications:
AR-15 Complete Upper Receiver
Caliber: 5.56mm NATO/.223 Remington
Barrel: 11.5", Government Profile, 4150 Chrome Moly Vanadium Steel With QPQ Melonite And Black Nitride Barrel Finish (Not Chrome Lined)
Rifling: 1:7" Twist
Muzzle: 1/2"x28 Threading
Muzzle Device: A2 Flash Hider
Handguard: Polymer, M4 Style
Gas System: Carbine-Length Short Stroke Piston Operated
Bolt Carrier: 1-Piece Integral Piston Strike Face
M4 Feed Ramps
Weight: 4 lbs

Item#: ARR-152-020