GHK Version3 Bolt Carrier Group (#M4V3-KIT-01) Fit for GHK V2 GBB Airsoft Rifle

Key Feature Metal Construction Airsoft Bolt Carrier Group Design For Upgrade Your Airsoft Rifle Bolt Carrier Group From Version 2 to Version 3 (#M4V3-KIT-01) Suitable For GHK M4 V2 Gas Blow Back GBB Airsoft Rifle Also Fit For GHK M4 V3 Gas Blow Back GBB Rifle Airsoft Gun