My 390 is very difficult to clean in the gas cylinder area, particularly after 500 or so 500 rounds. Is there anything available that will cut this stuff out quickly, without a lot of scrubbing and reapplying?
Thanks in advance,
To clean the inside of the piston and inside of the piston chamber under the barrel, I usually just spritz it with any gun solvent and rub away for a bit with Scotch Brite. This way you get a dirty finger, but a clean gun.
If the inside of the piston really has gotten cruddy with built-up crusty carbon, then I manually clean it with a stainless steel plumbers pipe-solder brush. You can get them at any home supply place for a couple of dollars each. I use them wet with solvent, but you can do it dry if you wish. These brushes are very aggressive and will remove anything. I’m sure that they scratch hell out of the metal, but I can’t see it so I ignore it. I’ve got a 303 with a whole bunch of rounds through it and no sign of damage from the brush.
Hint: bring the piston with you to the store so that you can make sure to get the right sized brush.
The Technoid writing for Shotgun Report, LLC
(Often in error. Never in doubt.)