Knight's Armament Company SR-15 Mod 1 AR-15 Complete Upper Assembly .223 Rem/5.56mm NATO 16" Barrel 1:7" Twist 13.5" URX Rail Front/Rear BUIS Black 30420

Knight's Armament Co
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This Knights Armament Company SR-15 Mod 1 complete upper receiver will make you feel like a tier 1 operator. This latest evolution comes with the improved URX 3.1 with a longer overall length to allow for better muzzle stabilization. This alteration allows for reduced weight by removing the commonly unused rail section of the system. This provides you with a thinner rail diameter that is easier on the hands, while still providing you with the modularity to add important rails.

Specifications and Features:
Knight's Armament Company Complete Upper 30420
5.56mm NATO (accepts .223 Remington) 16" Hammer forged barrel
13.5 URX upper receiver extending free floating barrel system
M4QD Flash hider
Knight's flip up front sight
Knight's flip up rear sight
Multi-Lug improved E3 bolt