Angry Gun Enhanced Polymer Hop Up Chamber Set for Marui MWS M4 GBB Rifle

Angry Gun Enhanced Polymer Hop Up Chamber Set for Marui MWS M4 GBB Rifle Military Grade Polymer Construction Suitable for Tokyo Marui MWS M4 Series Airsoft Gas Blow Back GBB Rifle The polymer chamber offers a good amount of flexibility which can help with dealing with the rigors of long term green gas use (Super Duarble)