DP Hammer Power Tuner Kit For Hi-capa Nozzle Fits for MARUI M4 HOP-UP

Fits for MARUI M4 HOP-UP Original (PART No

HOP UP is equipped and located inside the ejector port cover (Pull up the Trigger to adjust HOP UP)

-CNC Lightweight Aluminum Construction

-Achieve 275 FPS out from the Box

DP Hammer Power Tuner Kit For Hi-capa Nozzle Fits for MARUI M4 HOP-UPHi capa Hammer Power Tuner Kit Product Feature: While 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. Item