The Knights Armament SR-15E3 IWS Carbine SBR Upper is a 5.56 NATO/223 Rem upper featuring a 14.5” hammer forged dimpled chrome-lined barrel with a 1:7 twist. Rifles includes the URX3.1 13.5” rail system with integrated flip-up sights. The Stoner Rifle 15 series are semi-automatic rifle featuring the URX (upper receiver extending) free floating barrel system, Ball mill lightened barrel, an improved multi-lug E3 bolt and flip-ip front and rear sights. This is the upper only. Rifle features a Non-welded muzzle brake. All NFA laws apply.
The latest evolution of Knight's SR-15E3 MOD I 16” Carbine now features an improved URX 3.1 with a longer overall length to allow for better muzzle stabilization. This alternation allows for reduced weight by removing the commonly unused rail section of the system. This longer rail also help with muzzle stabilization increasing accuracy. It also allows shooters who prefer a thinner rail diameter the ability to still mount accessories on the front end of the weapon while providing a comfortable grip. This is already a comprehensive package on its own and does not require excessive modular accessories for performance enhancement. The KAC SR-15 is the first rifle model with an Integral Weapons System (IWS) that combines both built-in and modular features. Unlike many of the AR-15's currently on the marker Knights Armament produces the majority of their parts in house. This ensures each part meets the KAC's quality standard and meets their own stringent benchmarks. Knights Armament utilizes the latest technology to ensure that each part manufactured conforms to the highest standards. KAC submits every product they manufacture to evaluations which scrutinize every aspect of the platform. Thousands of our nation's troops, law enforcement officers and everyday citizens experience the renowned reputation of these weapon systems and can attest to their quality. Knights Armament is regarded by many and producing the best complete rifles available to the commercial market.
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