VIPER TECH SR-15 URX II CQB +16 INCH GBB
VIPER TECH SR-15 URX III MOD0 GBB
VIPER TECH SR-15 URX II CARBINE GBB
VIPER TECH SR-16 URX III MOD 1 + 18 INCH GBB
VIPER TECH SR-16 URX III MOD0 GBB
VIPER TECH SR-16 URX III RAS + 16 INCH GBB