Barrett Firearms Manufacturing was founded by Ronnie Barrett for the sole purpose of building semi-automatic rifles chambered for the powerful 12.7×99mm NATO (50 BMG) ammunition, originally developed for and used in M2 Browning machine guns. The weapon was first sold to the Swedish Army in 1989. U.S. Barrett Firearms Manufacturing is an American manufacturer of firearms and ammunition located in the unincorporated town of Christiana, Tennessee. You can also get them at our online shop