Dytac F4 Defense Licensed F4-15 Aluminum Receiver for Tokyo Marui M4 MWS GBB

Dytac F4 Defense Licensed F4-15 Aluminum Receiver for Tokyo Marui M4 MWS GBB Aluminum Construction Fully licensed by F4 Defense With Ambidextrous Selector Switch and a 45 Degree Throw Selector Suitable For Toyko Marui M4 MWS Series Airsoft Gas Blow Back GBB Rifle Airsoft Guns