G&P MWS Forged Aluminum Complete 4-6 Bolt Carrier Group Set for Marui MWS GBB Buffer Tube

G&P MWS Forged Aluminum Complete 4-6 Bolt Carrier Group Set for Marui MWS GBB Buffer Tube Aluminum Construction Suitable For Tokyo Marui MWS Series Airsoft Gas Blow Back GBB Rifle/ Buffer tube Bolt Carrier Hammer Assist (Long) (MWS032L) Marui MWS Roller Bolt (MWS002)