Core Rifle Systems C15 AR-15 Complete Upper Assembly .223 Rem/5.56 NATO 16" 1:9" Twist M4 Profile Barrel Flat Top Carbine Length Magpul MOE Handguard A2 Front Sight W/BCG and Charging Handle Black 100273B

CORE15 Rifle Systems
608729646921
100273B
2-CORE100273B
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The Core 15 MOE M4 16" upper receiver represents the result of Core rifle systems attention to detail and quality parts to provide you with the best value to performance ration on the market. This particular complete upper assembly is forged from 7075-T6 aluminum that is type III class II hard coat anodized finished with M4 feed ramps. The upper receiver a flat top type with a built in 1913 picatinny rail complete with laser engraved T markings. The bolt assembly is magnetic particle inspected to ensure quality and they bolt carrier and key are also chrome lined stainless steel.

Specifications and Features:
Core 15 MOE M4 16" Upper Receiver 100273B
5.56mm NATO (accepts .223 Remington)
Forged 7075 T6 M4 Mil-Spec Upper Receiver with indexing marks, M4 Feed Ramps, and laser engraved T markings
16" Standard M4 Profile
4150 Chrome-Moly Vanadium Steel, Chrome Lined Barrel
1:9" Twist
Carbine Length Gas System
Gas Tube made of 304 grade stainless steel
Chrome lined stainless steel bolt carrier and bolt key
Magnetic Particle Inspected (MPI) bolt assembly
A2 Flash hider
A2 front sight base
Magpul MOE handguard
Magpul MOE MBUS rear sight
Manufacturers Lifetime Warranty
Black