AR15 / M4 LULA® loader & unloader GEN. II For all metal and polymer 5.56 x 45 /.223 magazines p/n: LU10B – Black – NSN: 1005310167375 CAGE: 2899A p/n: LU10DG – Dark Green Durable reinforced polymer Eliminates thumb pain & injury Eliminates wear on feed lips Lightweight ...