Copper clean-out - When??


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Ironbarr
September 27, 2003, 08:26 PM
Newish rifle (in this case, AR-15, but this probably applies to others) with maybe 300-400 Win Q3131A (5.56m Israeli Mfr) fired.

When would a copper cleaning be right - and what do you use??

-Andy

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swifter
September 27, 2003, 09:28 PM
Butch's Bore Shine, patches & brushes. Sweet's 7.62 (don't leave in bore longer than 10 min, neutralize with isopropyl alcohol). JB or Remclean abrasive in severe cases.
Tom

Ironbarr
September 27, 2003, 11:52 PM
How often, would you say? BTW: This is a stainless steel barrel.

swifter
September 28, 2003, 01:39 AM
I'm no expert on semi-autos, & I like a clean weapon...:uhoh:
I was raised to clean it before bed, & often before supper.

Also, forgot to mention Wipe-out bore cleaner: Squirt foam into bore, let sit overnight, patch ALL crap out in AM!:D Best idea since fixed ammo...:D

Some guys like to go with "when accuracy deteriorates", but I like to keep it clean when possible, had some bad experiences with build-up...:barf:

Tom

bogie
September 29, 2003, 05:57 PM
Ask yourself what sort of accuracy/barrel longevity you want.

I clean competition benchrest rifles every 20 rounds. I use two soaked patches of Butch's Bore Shine, one stroke with a benchrest bronze brush for every round fired, then let set for 15 minutes, then two soaked patches, then two dry patches, one with colloidal graphite, clean the chamber, good to go.

dakotasin
September 29, 2003, 06:13 PM
when i clean a rifle, i clean everything out, including copper. wouldn't go to the trouble of cleaning it out and leave something behind.

for copper i use barnes cr-10. this stuff is quite aggressive and really cuts cleaning time/effort.

Steve Smith
September 29, 2003, 06:26 PM
Good question, and one not easily answered by anyone but you. Each rifle is a law unto itself and you'll be the one that makes the determination. I finished Camp Perry with a rifle that had about 500 rounds through without a cleaning, and it shot a 195 at 600 on the last day (Pac-Nor barrel). I now have about 700 through that same gun with out a cleaning, and I still shot pretty well yesterday at the WY State Championships, but I could tell that the accuracy wasn't what it should have been. I'll clean it tonight, as it is absolutely filthy.

FWIW, I use GM Top Engine Cleaner as a solvent. It is chemically the same as Shooter's Choice at 1/4 the price.

Ironbarr
September 29, 2003, 07:35 PM
I don't shoot on a regular basis and mostly run maybe forty rounds when I do, but this last time out I made it (finally) to an outdoor range and spent a couple hours and maybe 70 rounds zeroing two scopes. I normally clean up after a range shoot, but haven't run a copper cleaner - though the bore appears clean (as well as I can tell). Since I'm getting up to the 500 round total, I thought I'd get some copper cleaning done and was wondering what the best "approximate count" might be by your experiences.

Thanks, all, for your input; time to go to work on this.

-Andy

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