The AA762R 02 is a proprietary 10-rd detachable magazine for the AA9130 Archangel OPFOR Series Precision Rifle Stock - suitable for most Mosin-Nagant rifles, both hex and round receiver, the Soviet M-38/M-44/ Chinese T-53 carbines, and Finnish M-39 rifles and carbines. The magazine body is molded from a proprietary carbon-fiber filled black polymer, and utilizes a proprietary feeding system.