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The COWCOW technology T1G rear sight is an upgraded blacked out rear sight that is made from CNC aluminum and is lightweight yet rugged.Compatibility: Tokyo Marui G Series Model 17 Tokyo Marui G Series Model 19 WE Model 17 

The COWCOW Technology Aluminum CNC Enhanced Hammer Housing for the TM G series model 17 and 19 is a one piece ultra lightweight hammer housing made to be a premium upgrade over the stock part.Compatibility: Tokyo Marui G Series Model 17 Tokyo Marui G...

The COWCOW Technology ultra-light blowback housing for the TM model 19 is exactly what it says it is. Its ultra light weight ensures you get the best and fastest recoil cycling and optimum performance. Disclaimer: All aftermarket upgrade parts require necessary skill or modification...