Crusader VFC M4 / M723 GBBR One Piece Steel Outer Barrel (14.5") under-250 This gives the Kythera trigger

This gives the Kythera trigger the distinct break and reset you would expect to feel when firing a real single action firearm

AK/G36 Selector Exchange: Easily change the selector type with 6 times trigger pulls after enter programming mode

Motor: 22000rpm

When used in conjunction with the hair trigger mod

Crusader VFC M4 / M723 GBBR One Piece Steel Outer Barrel (14.5") under-250 This gives the Kythera triggerThe Crusader VFC M4 M723 GBBR One Piece Steel Barrel is a steel outer barrel designed for the VFC M4 AR15 series of gas airsoft rifles. This barrel is robust and is also 14mm CCW threaded, allowing you to mount different muzzle devices such as suppressors and tracer units. Compatibility: VFC M4 AR15 Series Gas Airsoft Rifles 14mm CCW Compatible Muzzle Devices Includes: x1 Crusader VFC M4 M723 GBBR One Piece Steel Barrel (14. 5inch)