Now available:  Extra mags for the hot, new, LWRCI SMG 45!  These are US Manufactured UMP, .45 cal, 25 round factory magazines. Made from a proprietary mix of the latest polymer technologies, the LWRCI UMP magazines are built to be the lightest, most robust magazine possible. New design includes updated steel reinforced feed lips for more reliable feeding and durability. The UMP Magazine are designed to fit LWRCI SMG .45 Pistol Caliber Carbines or firearms that accept double stack UMP magazines. Caliber: .45 ACP Magazine Capacity: 25