GBB Rifle Hopup Chambers & Parts

MWS Hop-Up Chamber - Kit

External Adjustment Kit for Stalker Kraken MWS Chamber

Strike Hop Arm for M4A1 MWS Red Lever

M4A1 MWS Custom Hop-Up Chamber

MWS PH+ Hop-Up Chamber and Hop Adjuster

CNC Aluminum Hop-Up Chamber for M4 TM MWS/MK18

CNC Hop-Up Chamber for WE M4/MSK/L85 GBB Rifle - Gen 2 Version

AK GHK 7075 Aluminum Hop-Up Chamber

SR Hop Bucking 60º (Purple) - for VSR/SSG-10/GBB/Pistol

MWS & AAP-01 U-Hop Bucking 60º (Purple)

CNC Hop-Up Chamber for SIG553 - GHK