Hop Unit Parts

GHK Hop Up Chamber For AK GBB Series

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

A unique mixture of ingredients
Finer-range adjustability of BB's trajectory
More consistent on the Hop-Up pressure
Compatible with all Marui spec AEGs
Recommend using it with our Flat Hop-Up bucking