April 22nd, 2019: Rosco Manufacturing, an American manufacturer of high-quality gun barrels & accessories, is proud to announce the launching of their newly released products – the Purebred upper receivers, Purebred M-Lok handguards, Purebred 13.7” barrel and Bloodline 12.5” Bloodline barrel. In the never-ending pursuit to expand their list of quality products offered, Rosco has