VIPER TECH M16A3 RAS GBB
VIPER TECH M16/M16A2(M733) GBB
VIPER TECH M16/M16A2(M723) Semi FCG GBB
VIPER TECH M16/M16A2 20 Inch GBB
VIPER TECH MK-12 MOD1 GBB
VIPER TECH MK-12 MOD1 GBB (W/Crane Stock)