VIPER TECH M16/M16A2 20 Inch GBB
VIPER TECH MK-12 MOD 1 GBB (W/Crane Stock)
VIPER TECH MK-12 MOD 1 GBB
VIPER TECH M16/M16A1(M653) GBB
VIPER TECH M16A4 RAS 3-Round Burst FCG GBB
VIPER TECH M16/M16A2(M723) 3-Round Burst FCG GBB