MK-16 13.5` GBB
MK-16 9.3` GBB
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
Delta Ring Assembly (MK-12 Type) | MK-12 星狀環總成
M4 Non Rotating Pin | M4火控對鎖銷
KAC QDC Style Steel Flash Hider Assembly|KAC QDC 鋼製防火帽總成
Chrome Plated Variable Stroke BCG. | VI18硬鉻鍍膜兩用鋼槍機總成
SR-16 Lower Receiver | SR-16 下槍身
SR-15 Lower Receiver (O.D.) | SR-15 下槍身(軍綠)