Magpul PMag 5 AC for 7.62mm. A reliable and durable polymer magazine compatible with AICS-spec bottom metal and short action cartridges built on a 0.470" case head (7.62x51/.308 Winchester parent case.). Designed to work with rifles such as the Ruger GSR and RPR, or the MagPul Hunter 700 with DBM mod, this 5 round magazine will fit any rifle that uses the Accuracy International Chassis System type magazine. Magpul #MAG549-BLK