The PTR-91 GIRK (G.I. Rifle Kompact)by PTR Industries provides a highly accurate, reliable, and consistent modern sporting rifle platform. It integrates a robust roller-delayed blowback system with a heat-treated bolt carrier. This design guarantees consistent reliability across diverse conditions. It comes chambered in .308 Winchester with a 16 inch barrel. Features include a fixed stock, a bladed grip, a welded scope mount, and a 10 round magazine.