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5.45x39 16" Carbine Base Upper

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5.45x39 16" Carbine Base Upper

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UA-16-C-B-545

Availability: In stock

$636.39
$636.39

The 5.45x39 Carbine Base 16" Upper comes complete and ready to go onto any mil-spec AR 15 lower. This upper is built with the Adams Arms proprietary piston system. The piston system parts and the barrel have been treated with our salt nitride Meloniting process making them harder and more corrosive resistant than hard chrome. The bolt and bolt carrier have also been protected by using an ion bond finish. Now you have the ability to shoot the inexpensive corrosive mil-surp ammo without fear of the parts being unduly worn out. Each upper also comes with a 30 round magazine and a Wolff extra power hammer spring to ignite the older hardened primers.

Specifications:

Upper Receiver: A4 Flat-Top, Forged

Barrel Length: 16"

Barrel Contour: Government

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 8"

Chamber: 5.45x39

M4 Feed Ramps: Yes

Bolt Carrier: 1-Piece w/Integral Piston Strike Face

Muzzle Device: Lifecoat A2 Flash Hider

Gas System Length: Carbine, Short Stroke Piston Operated

Gas Block Diameter: 0.750"

Handguard: 2-Piece Polymer, Carbine-Length

Sights: None, Single Rail Gas Block

Weight: 4.179 lbs

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