Battle Arms Development, Inc. Magazine Release Kit, Package 1, BAD-EMR-B (Enhanced Magazine Release - Black), AR15-MCS (Magazine Release Spring) and BAD-EMC-IC (Enhanced Magazine Catch) 100-025-394
Battle Arms Development, Inc. Magazine Release Kit, Package 2, BAD-EMMR-B-L (Enhanced Modular Magazine Release - Large - Black), AR15-MCS (Magazine Release Spring) and BAD-EMC-IC (Enhanced Magazine Catch) 100-025-395