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Adams Arms AR-15 Mid-Length Gas Piston Complete Upper

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Adams Arms
Typically ships the same business day when ordered before 4pm CST.
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The Adams Arms Mid-Length Gas Piston complete upper assembly has everything you need and want 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 upper receiver can be connected to any standard AR-15 lower receiver.

Features and Specifications:
Manufacturer Number: UA-16-M-B-556
5.56mm NATO (accepts .223 Remington)
16" Government Profile
1:7" Twist
4150 Chrome Moly Vanadium Steel
QPQ Melonite and Black Nitride Barrel Finish
Not Chrome Lined
Muzzle Threaded 1/2"x28
A2 Flash Hider
Mid-Length Short Stroke Piston System
One Piece integral piston strike face bolt carrier
M4 Feed Ramps
Two Piece Polymer Mid-Length Handguard
Railed Gas Block .750" diameter
Weighs 4.387 lbs


Item#: ARR-152-003
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