UAC Hi-capa Hammer Power Tuner Kit 4.3 GBB system with realistic blowback

GBB system with realistic blowback effect

Standard comes with Crane Stock which fit either Li Po Battery or Nun-Chuck Ni-HM Battery

Features : Front Sight and Rear Sight with White Dotted

G&P M16 Original 130rds Magazine  4

AKA Aluminum IPSC Speed Magazine Pouch Full Set (Red)

UAC Hi-capa Hammer Power Tuner Kit 4.3 GBB system with realistic blowbackWhile using this kit, it allow to adjust the power of the hammer spring in wide range. Suitable for competition shooter to wargame player. Also applicable and allow fine tune the power for different temperature condition. Work great and allow more custom tuning with UAC High Flow Valve For Hi capa and Airseal Rubber. 1 soft & 1 hard spring suitable for different condition. 10 spacer for fine tuning.