Revanchist Airsoft Ultra Lightweight Bolt Carrier Rear End For Marui M4 MWS GBB

Revanchist Airsoft Ultra Lightweight Bolt Carrier Rear End For Marui M4 MWS GBB Polymer Construction Lighter Than The Original Parts Allowing Faster Cyclic Rates Suitable For Tokyo Marui M4 Series MWS Gas Blow Back GBB Rifle