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Discussion Starter · #1 ·
I have a mossberg 640 chuck master in 22 mag. It use to shoot great but now it just wont group I have tried new scopes new scope mounts. Just cant get to come back.Could it be hosed ,the gun means alot to me.If so how and where,because I could never part with.Thanks alot, FUZZBUSTER :?
 

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Discussion Starter · #4 ·
Every kind of ammo I can get my hands on.Copper biuldup is questionable.What kind of really good cleaners do you know of?What about the crown?Thanks, keep them coming.
 

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As far as the crown goes, the slightest little nick or ding on the end of the barrel will wreak havock on accuracy. If you want to get copper fowling out I use Barnes CR-10, follow the directions and it works wonderfully. KN
 

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Discussion Starter · #6 ·
Thanks alot guys,help is greatly aprieated.Do you think I could tuch up the crown with a file.If I see any burs or nicks,thanks again fuzz
 

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fuzz buster said:
Thanks alot guys,help is greatly aprieated.Do you think I could tuch up the crown with a file.If I see any burs or nicks,thanks again fuzz
Hold On Fuzz!!!!!!!!!!!! Don't be touchin' nothin with any file! Leave the recrowning to a qualified gunsmith and he can do it for you while you wait for it. Have him look at the bore while he is recrowning.

Start cleaning and using allot of patches with a good copper and lead cleaner. I use Butch's Bore Shine Cleaner. ALWAY clean from the breech end with the cleaning rod. Speaking of cleaning rods, it's best to find a good, stout steel rod and plastic jag to hold the patch, or an Otis cable system. They will not screw up the muzzle crown....but, they're jags are made of brass. If you use any kind of copper/ bronze (brush) or aluminum rod, the solvents in the cleaner will attack the components and you'll never get a clean patch out (color of the patch will show blue-green). If you've never worried about cleaning before, I'm sure that's the problem. The usual Hoppe's # Nine Solvent is fine for a powder solvent but doesn't do the job on the copper. Final word and I will shut-up.

DO NOT leave these solvents in the barrel bore overnight thinking you'll get the last bit of copper and lead out! All you will do is ruin the barrel by etching the bore finish, that will start in a continuous cleaning the rest of your life. Good Luck with that ole' Marlin!

Jim
 

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Discussion Starter · #8 ·
Thanks alot for the info.I sent a buddy for new bases and the stuff you mentioned.I will get it back together and stop in the local smith.I have to pick up some parts for my shotgun any ways.THANKS AGAIN fuzzbuster!!!
 
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