Knight's Armament SR-15E3 IWS Pistol/NFA .223/5.56 URG
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All NFA/ATF Rules Apply.
You may not install this upper on a lower receiver unless it is a Registered SBR, Machine Gun, or Pistol. Possession of this upper along with a Non-NFA Lower is Prohibited, except when installed on a Pistol configuration firearm.
This system is the newest line of Short Barrel Rifle (SBR) Upper Receiver Groups offered by Knight’s Armament Co. to the commercial market. The SR15 SBR URG features some of the latest technology to come out of the state of the art Knight's facility, including the light weight URX 3.1 13.5” rail system, which extends the full length of the 14.5” dimpled chrome lined Medium profile barrel. Includes URG, Bolt, Charging Handle, Pictured Sights, URX Panel Kit and Buffer.