Midwest Gun Works proudly carries the proven parts, receivers & accessories from Cobalt Kinetics. Artistry - Attitude - Performance, these are the core principals that fuel the design and functionality of Cobalt Kinetics products. This company offers a wide variety of aftermarket AR parts to upgrade and improve the performance of your firearm. Mitigate your recoil with cutting edge muzzle brakes, fine-tune your buffer with Cobalt's upgrade kits, and trick our your AR-15 with all of the precision crafted items Cobalt Kinetics creates. These fine products are proudly made in the USA in Washington, Utah.