Angry Gun MWS High Speed Bolt Carrier (Original) for Marui M4 MWS GBB Rifle

Angry Gun MWS High Speed Bolt Carrier (Original) for Marui M4 MWS GBB Rifle 6061 Aluminum With Steel Parts Construction Suitable For Tokyo Marui MWS Series Airsoft Gs Blow Back GBB Rifle Super Lightweight to Increase ROF (Rate of Fire)