Revolver John takes the S&W M10 M&P 4" revolver from Tanaka Works apart and puts it together again to show its various components in an attempt to fix it... "This Tanaka Smith & Wesson M10 was bought at KIC many years ago. I found the revolver wouldn't fire anymore at about three years ago, and I couldn't pump the gas into the gas cylinder, either. Lost of the gun diagram and lack of tools restrained me from any attempt to fix the problem myself. Until now...

The most difficult part was found out a way to open the cylinder. The answer is in this video. Enjoy!"