Comp and choke cleaning

[gratefuldog]

Hi folks-
I've got an old J.C. Higgins model 20 in 12 gauge. It has a slotted compensator that the chokes screw into. It seems this choke design builds up plastic from wads mostly outside (but a little inside) the choke tubes.

What's the best way to remove it? I've tried Hoppes and brake cleaner. I'm thinking maybe an ultrasonic cleaner...?

Any help is appreciated.

[Bastard]

since I can't quite picture what it is you are referring to...

I remove my chokes and soak them in a mason jar filled with a gun cleaner, usually overnight, and then I chuck up a bore brush in a drill...

[gratefuldog]

Choke/comp looks like this:

[freonr22]

i have one, and that action, when i rubbed semichrome all over, is super buttery. just a really beautiful shotgun

[CWL]

Go ahead and give it a try in an ultrasonic cleaner. Standard gun cleaners won't be able to dissolve plastic burnt/smeared onto metal.

You might also give a penetrating oil like Kroil a try to see if it can get under the plastic and loosen it up.

[Thefeeder]

><

I have seen plastic wads shaved in these with big hunks of plastic stuck in the comp. Some were almost full wads. Don't know if the chokes were improperly installed, bent, or what. Why they got stuck there is unknown.

[PaperTarget]

If what you are cleaning is all metal, carburetor cleaner works for me on choke tubes. As with any cleaning solvent, the person using it needs to be careful not to let it get on plastic, wood finishes,

(and in your eyes, on your skin, or too much in your lungs)

[Bastard]

be very careful putting anything blued in an ultrasonic cleaner as they have been known to not be kind to blued finishes

[shovelon]

If what you are cleaning is all metal, carburetor cleaner works for me on choke tubes. As with any cleaning solvent, the person using it needs to be careful not to let it get on plastic, wood finishes,

(and in your eyes, on your skin, or too much in your lungs)

Penetrating oil is my go-to for a quicky barrel cleaning. Does not affect blueing. I use it to dissolve the plastic buildup inside the barrel. And afterwards a wad of soaked paper towel at the installed choke tube swells the buildup enough to be shot out the next week. But very 6 months I remove the choke tubes, soak in Carlsons choke tube cleaner, and regrease. https://www.ruralking.com/the-origin...All%20Products


Anyway for this I would fill a jar or glass to cover the holes and let is soak a few hours. Remove and save contents for later. The plastic should flake away at some point or even when shooting as does the buildup in my choke tubes.

[gratefuldog]

Thanks for the tips, folks.
I soaked the choke in Hoppes overnight, then hit it with a bore brush in a drill. (I think the rotary action helped; using the brush "as directed" didn't do much.)

The gun is currently standing muzzle-down with the compensator stuffed with paper towels soaked in PB Blaster. I'll find out tomorrow evening if that loosened up the plastic deposits.