Maple Leaf Hop Up Chamber for UMAREX (VFC) GLK Series GBB Pistol rmr 1 SS Outer Barrel and

1 SS Outer Barrel and convert to 14mm negative which can fit to most common used silencer or tracer on the market

Remove the Original safety parts and change this tag will solve this problem

Material: High Tenacity Compound Rubber

: GLK-177(A)BK

it is a thing of beauty

Maple Leaf Hop Up Chamber for UMAREX (VFC) GLK Series GBB Pistol rmr 1 SS Outer Barrel andFor 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.