Maple Leaf Hop Up Chamber for UMAREX (VFC) GLK Series GBB PistolFor UMAREX (VFC) G17 Gen5, G19 Gen4, G19X & G45 Hop wheel + Vertical tensioner design to decrease the original parts tolerance Vertical tensioner with curve shape design for good setting of BBs Stable Hop effect and better air seal Suitable with Maple Leaf GBB VSR Hop rubber and pistol inner barrel or "Crazy Jet" inner barrel Additional Vertical tensioner for backup or user can modify it by yourself.

: GLK-146(B)BK

Item # GM0394

Share the same design as the 5

-- Black Color

WEIGHT: 300GTENTG

All parts are CNC out of Steel provide the best durability

2 Aluminium buffers for modification to shorten the cycling

1 GBB Series【For Airsoft Only】

Item Code : G-08-GD

For MARUI HI-CAPA All GBB Series

CO2/HPA ready

MAG Footprint Compatible for RMSc Footprint