The TR Imports Silver Eagle 12 gauge tactical shotgun magazine is a factory original 5 round metal magazine designed for SE122TAC, TAC PRO, and TAC-LC. It is compatible with the Rock Island Armory VR80, VR60, VRBP-100, Panzer Arms AR-12, AR-12 PRO, and BP-12, MKA 191, BR-99 and FR-98/99 shotguns