Hop Unit Parts

GHK Hop Up Chamber For AK GBB Series

CNC Aluminum.
for GHK 553 GBB
Options:
50 degree (green) for muzzle velocity below 110 m/s
60 degree (yellow) for muzzle velocity 90-120 m/s
70 degree (blue) for muzzle velocity 110-140 m/s
75 degree (red) for muzzle velocity 130-150 m/s
80 degree

MATERIAL: MILITARY GRADE POLYMER
SUPER DURABLE!!!!!!!!
COLOR: TACTICAL GREY

One-Piece Hop Up Arm design

Polymer Hop Up Chamber x 1, O Ring x 1

TOKYO MARUI REAL GAS BLOWBACK M4A1 MWS CUSTOM CHAMBER

●Stable HOP UP and great for long range!
●For keeping secure position of the hop tensioner!
●Designed for GBB M4 series!

This custom chamber is compatible for Tokyo Marui Gas Blowback M4 series