Polishing 22cal Slug Liner Thoughts

jking · Jan 10, 2020

My new 22cal slug liner seems to get fouled pretty fast, within 100 pellets/slug shots or so. Whenever I pull a tight patch through it there is a lot of leading and when I do the pull through I can feel it get rough then smoother then rougher etc throughout the liner. I want to polish the liner but I'm concerned about the 22cal bore mop not having enough "padding" to keep the metal parts from coming into contact with the liner ID. I've polished my 25 and 30cal liners but you have a little more room to work with. Curious if there is a safer way to polish it. Was thinking maybe a 177cal mop with maybe a cleaning patch or piece of paper towel wrapped around it. Those of you that have polished yours what did you use?

Jking

Fire_at_will · Jan 10, 2020

I usually use the 22 mop and a drill. That way I can push it in slowly and still get polishing action from the rotation.

Drill is on low speed obviously.

Airgun-hobbyist · Jan 10, 2020

Here's what I have been using. I wrap a piece around a mop, and add a cleaning patch to two so it is a tight fit. I use a fiberglass cleaning rod with a swivel handle so it follows the rifling. I don't get leading and accuracy issues after polishing the bore, and found that if I shoot silicon lubed slugs and pellets it keeps a shiny bore that doesn't look like it's even been shot.

http://www.ebay.com/itm/3M-Tri-M-Ite-Imperial-Polishing-Paper-6-Sheet-Assortment-Grits-PMC-ARTCLAY-Craft-/192522373650

bubblerboy64 · Jan 10, 2020

I used a nylon brush with patches wrapped around. I think you have to get the fit pretty tight . I don’t use a drill just back and forth with a cleaning rod. If you are using a bore mop I’d think a drill would be required

heavy-impact · Jan 11, 2020

I use this 1200 grit non embedding lapping compound on a bore mop with a carbon fiber rod that has bearings in the handle. Just steady back and forth with the barrel in a soft jaw vise. The bore mop gets super tight in the choke area.

jking · Jan 11, 2020

Thanks for the replies and links guys. I found a couple of nicer bore mops that had more coverage length wise and used a small 177 sized coated rod (really need a nicer one). I used a little Mothers mag wheel polish and then switched to JB's bore paste working the full length of the liner and never letting the mop exit the crown. Hopefully it'll slow down the fouling. It's also a new liner so it probably needs a lot more pellets and slugs through it.

Thanks again

Jking

knifemaker · Jan 12, 2020

Never heard of a fiberglass rod. Could you mean CF rod? Such as the Tipton?

Knife

knifemaker · Jan 12, 2020

Never heard of a fiberglass rod. Could you mean CF rod? Such as the Tipton?

A quality rod, a good brass jag and tight fitting patches with JB bore paste, then bore Bright work wonders. As does Flitz Metal Polish.

Knife

Airgun-hobbyist · Jan 12, 2020

Never heard of a fiberglass rod. Could you mean CF rod? Such as the Tipton?

Knife

I had to look it up, and you are correct in that it is carbon fiber. It's the Hoppe's one-piece Elite Carbon Fiber Cleaning Rod, not fiberglass.

mtnGhost · Jan 13, 2020

I switched over to this kit: https://kentsupplies.com/beading-and-jewelry-tools/polishing-paste/oil-based-lapping-paste/7pcs-20-gram-diamond-lapping-paste-polishing-compound-for-fine-to-final-polishing-grits-0.25-to-5.0-microns.html

Mirror polish on 4 barrels thus far using my lathe to turn

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Polishing 22cal Slug Liner Thoughts

jking

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bubblerboy64

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