Turning up a thin lipped polyurethane piston seal for these pistols makes an improvement to performance. Just done this to replace some knackered old ones.
Baz
Turning up a thin lipped polyurethane piston seal for these pistols makes an improvement to performance. Just done this to replace some knackered old ones.
Baz
BE AN INDEPENDENT THINKER, DON'T FOLLOW THE CROWD