This 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.
WARNING: To the state of California, this product is known to have chemicals that cause cancer, birth defects, and harm to the reproductive system.