Angry Gun Maritime Bolt Stop for Marui M4 MWS/ MTR Airsoft GBB (Gen 2 Ver.)

Angry Gun Maritime Bolt Stop for Marui M4 MWS/ MTR Airsoft GBB (Gen 2 Ver.) Metal Construction Design For Replace the Origianl Parts Suitable For Tokyo Marui M4 MWS/ MTR Gas Blow Back GBB Rifle Airsoft Guns