1st Shot Tactical does a quick look at the META Tactical APEX-Series Carbine Conversion Kit designed for real world handguns, but you can check if your airsoft pistol can fit. The META Tactical APEX-Series Carbine Conversion Kit transforms your pistol into a bullpup rifle, boosting your accuracy and firing range with its innovative, compact design. This American-made kit boasts a 16-inch barrel, lightweight build, ambidextrous controls, and support for various sights, optics, and grips.