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Cleaning lug abutments after messy JB bore paste

Clark

Gunny Sergeant
Full Member
Minuteman
Jul 4, 2003
2,705
144
WA the everblue state
CleaninglugabutmentsinMauserwithloc.jpg


I was shooting Copper jacketed bullets covered with JB bore paste [pushed slowly by 9 gr. Bullseye] to try to break in a couple barrels;
a) Douglas 260 with factory bluing inside the bore that fouled too fast
b) a Midway Addams and Bennett 243 barrel that fouls fast.

I got this idea form Greg Langelius on an internet list 10 or 12 years ago.

After 20 some rounds in each rifle, the JB bore paste was all over the empty cases and all over the bolt lugs.

The bolt lugs are a male shape, and can be wiped off with a Kleenex with a couple twists of the wrist in a few seconds.

But getting the female shape of the receiver clean is harder. My old technique of poking into the lug abutments with a Q-tip is slow and ineffective.
Someone gave me a 10" pair of locking forceps.
I poked a Kleenex inside the lug race, poked in the open forceps behind, locked onto the Kleenex, twisted both 10 times, pulled out the Kleenex, and it was dirty. I repeated this 5 more times until the Kleenex came out clean.

Now the bolt slides in and out nicer. I did not know I had such a smooth action.

Forceps are cheap, and handy for cleaning with Kleenex down inside holes:
http://www.amazon.com/Papa-JohnS-Toolbox-Forceps-Straight/dp/B0009UD7RY
 
Re: Cleaning lug abutments after messy JB bore paste

It would be interesting to know if it makes your barrels foul less. Sounds like an easy way to polish the bolt lugs and action.
 
Re: Cleaning lug abutments after messy JB bore paste

For cleaning bolt recesses, I go the health/beauty aisle at Wallyworld and get a package of cotton squares. These are the ones that are about 1/8" thick and have creases that give a sorta corrugated look to them. I roll them parallel to the crease and clamp the roll in a locking foceps. I use this combination as a bolt recess cleaning tool.

I did not experience the sort of contamination you describe when I used to use the method you ascribe to me. My method applies the JB or Remclean abrasive compound to the bullet's bearing surface, and allows it to dry. Done this way, there shouldn't be such a pronounced contamination.

I don't use the method anymore mainly because I haven't had any new barrels to shoot in a cats age (or two, depends on the cat's personal supply of luckage).

My most recent barrel is a Lothar-Walther BR Grade .260, and no abrasive has ever been allowed within 3 feet of it. Brushes on only one occasion, when I got to a round count of about 600 and the carbon was getting monotonous about going wherever carbon goes when it's done messin' with my bores.

If I had a new factory barrel to shoot, I think I'd likely revive my old method for the occasion.

Greg