TM M4 MWS GBB F1 UDR-15 3G Custom
OptimusPrime
03 Sep 2019
Sakataku TV shows this custom F1 Firearms UDR-15 3G gas blowback which uses the Tokyo Marui M4 MWS ZET GBB System. The receiver is the Iron Airsoft UDR-15 made for the Marui MWS that is available at Orga Airsoft in Japan. We like the look of this GBB rifle made to look like a sporting rifle.