VKTR Industries VK-1 5.56 NATO Piston Complete Upper Receiver Group

This product ships from another warehouse location and is not available at our retail store. Orders will take an additional 3-5 business days for processing. Featuring the patented VK-1 piston system, VK-1 Complete Upper Receivers are specifically tuned to maximize reliability in all conditions with the smallest footprint possible. The 15 slot upper receiver rail creates a truly continuous 12 o'clock Picatinny mount, optimizing available accessory real estate and reducing the overall weight of the forged receiver. A hammer forged 1-7 barrel is thermal fit to the receiver to provide the highest level of accuracy potential while eliminating any heat-related POI shift. Includes a precision machined one-piece patented bolt carrier with correct timing, revised cam path, finished in industrial hard chrome. Patented enhanced cam pin for consistent lock up, shot after shot. Barrel lengths include 10.5", 13.7", and 16.0". Features Thermal fit forged upper receiver Radian Weapons Raptor charging