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U15A4CB

M-15™A4 Carbine Complete Upper

$550.00 $468.00

The M-15A4 carbine complete upper assembly features a double lapped, chrome lined / chrome moly vanadium barrel.  The MIL-STD 1913 rail on the upper receiver and the gas block allow rapid and repeatable interchange of removable iron or scope sights.

Each Armalite complete upper assembly includes a forged upper receiver assembly, barrel assembly, bolt carrier group and charging handle assembly.  All complete upper assemblies are test fired as complete rifles before shipping.

In stock

Caliber
5.56X45 mm / .223
Barrel
16” double lapped, chrome lined / chrome moly vanadium MIL-B-11595-E, M-4 feed ramps
Mid-length gas system
Rifling Twist
1:7” RH
Muzzle Device
Flash suppressor, threading: 1/2” - 28
Front Sight Base
Gas block with MIL-STD 1913 rail. Top of gas block is .293 (+/-) lower than top of upper receiver
Upper Receiver
Forged flat-top with MIL-STD 1913 rail, 7075-T6 aluminum
Finish
Hard anodized aluminum, manganese phosphated steel