CNC Aluminum Double O-Ring Ball Bearing AEG Piston Head gbbr follower This kit was designed in

This kit was designed in mind for those players who truly want to exceed with their cycle speed

The shells have a brass cap

Since it is equipped with an LCD screen and joystick you are able to easily scroll through menus and precisely adjust settings for the utmost control over the system

Bull Balls 100g Hard Gels

this mount offers universal compatibility

CNC Aluminum Double O-Ring Ball Bearing AEG Piston Head gbbr follower This kit was designed inPrecision CNC machined aluminum construction Double O rings helps to prevent piston head from scraping the inside of your cylinder Improved durability Ported cylinder head Smooth steel ball bearings Product Description: The Maxx Model Double O Ring Aluminum Piston Head and bearing. Fits airsoft M4 AEGs and ALL other gearbox version (all versions) guns. Double rubber o ring for tighter seal and compression. An excellent high quality piston head for