MK-16 9.3` GBB
MK-16 13.5` GBB
VIP-VI-46 10.5” 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
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)
SR-15 Lower Receiver | SR-15 下槍身
MK-18 Lower Receiver (Sea Anchor) | MK-18 下槍身 (海錨刻字)
XM177 E2 Lower Receiver | XM177 E2 下槍身