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Old 06-21-2013, 08:37 AM
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.22 Mag Barrel Cleaning?



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I am kind of new to the .22 magnum world. Since the bullets are copper jacketed, do you need to clean the barrels more often than you do for lead only bullets such as LRs? You would think copper fouling would build up unless the MV of .22 Mags is too low for this to happen.
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Old 06-21-2013, 08:42 AM
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Thumbs up .22 magnum

i clean my henry lever every time i shoot it, same as ALL my other guns. magnum seems to be very clean, i always use hoppes#9 and a brass brush. i am not shooting it much right now as magnum ammo is really expensive WHEN i can find it!
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Old 06-21-2013, 08:58 AM
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Well, I have found that over-cleaning my LR rifles messes up my accuracy until the barrel stabilizes once again...however I do keep the actions clean and the gun fingerprint free.

The gun I am talking about now is my new rifle, somewhat of a rare-bird I think, a Winchester 9422M Laminate (WinTuff).

What I want to know is how rapidly a .22 mag barrel will copper foul...as an example my .233 rifles accuracy will start to go south after about 20-30 rounds down the tube.

Thanks for your advice.

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Old 06-21-2013, 09:22 AM
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OldWolf I own 7 or 8 .22wmr and a wet patch ( copper remover) then patch dry every 100 to 200 rounds has served me well for years.
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Old 06-21-2013, 09:32 AM
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Thanks Gerald. Is that the round count were you begin to see diminishing accuracy?

I am asking because at silhouette shoots I will 40 rounds per match. I am wondering if I can go 2, 3,4 matches without accuracy degradation.
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Old 06-21-2013, 11:04 AM
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I've put about 1000 rounds through my Savage 93 WMR since new and have thoroughly cleaned it twice...once when new (out of box) to get any sludge out and last fall when I put it away for the winter.
The accuracy has done nothing but improve.
I do run some solvent/lube patches the dry after every shoot.
You'll find that when you do a thorough cleaning it will take 50 rounds or so before a rimfire barrel becomes seasoned and shoot accurately.
So unless you are firing hundreds of rounds every session (and $20 for fifty Rem Accutip WMR I seldom shoot more than 100 in a session)...you'll never have a consistently accurately shooting gun if you scour it after every session.
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Old 06-21-2013, 01:17 PM
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Just use a 'Bore/Snake' after your shooting period and then shoot a few Rds. to see if accuracy has Depleted any!!!
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Old 06-21-2013, 02:31 PM
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Just my experience but none of mine take more than 10 shots or so to come back in after a light cleaning, you'll note I'm not scrubbing with a Bronze brush or such. Every rifle and every shooter is different so seek your formula.
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Old 06-22-2013, 07:49 AM
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Lets go back to your .223, you only get 30 rounds and your groups open up? Are you cleaning with a solvent or a copper remover? I know a guy with several four figure custom BR guns that cleans at 100-125 rounds when his groups open but by 1/4MOA or so.
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Old 06-22-2013, 10:36 AM
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.223

I was exaggerating to prove a point.
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Old 06-22-2013, 07:28 PM
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Quote:
Originally Posted by ThaDoubleJ View Post
Lets go back to your .223, you only get 30 rounds and your groups open up? Are you cleaning with a solvent or a copper remover? I know a guy with several four figure custom BR guns that cleans at 100-125 rounds when his groups open but by 1/4MOA or so.
Every barrel is different. Really good barrels that are lapped tend to collect less fouling.
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Old 06-25-2013, 08:25 AM
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Every barrel is different. Really good barrels that are lapped tend to collect less fouling.
This.



Plus, I've found that proper break-in of new barrels, even rim fires, does help accuracy, and it prolongs the time between when cleanings are needed, and makes cleaning easier.

Paul
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Old 06-25-2013, 10:04 AM
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How do you break in .22 Mag barrels?

I have about 40 rounds down the barrel now. I brought it home and ran a bronze brush with Hoppe's #9 about 5 strokes, patched it clean, then lubed with CLP on a patch.

I don't like to over clean .22 rimfire barrels, but this jacketed .22 mag is a whole new beast to me. So I am still learning how to treat it right.
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Old 06-25-2013, 11:24 AM
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Originally Posted by OldWolf View Post
How do you break in .22 Mag barrels?

I have about 40 rounds down the barrel now. I brought it home and ran a bronze brush with Hoppe's #9 about 5 strokes, patched it clean, then lubed with CLP on a patch.

I don't like to over clean .22 rimfire barrels, but this jacketed .22 mag is a whole new beast to me. So I am still learning how to treat it right.
Same way I do my center fires.

Start with a good cleaning when new.

Fire ten rounds, cleaning in between each round. Then in between each five a few times. Then check accuracy. From there on, I only do a full cleaning when accuracy starts to diminish, or the end of the season before it gets put away, whichever comes first.

At the end of each day of shooting, no mater how few shots, I pull a bore snake through, then run a lightly oiled patch through a few times.

Only 40 rounds with a .223? The ammo you use can also have an effect on barrel cleaning intervals. My Savage .223 goes for well over 100 rounds before accuracy ever drops noticeably, but I only use Black Hills 50gr Vmax, or Hornady Superformance Vmax in it.

With my Savage 93 I've been using the Hornady 30gr Vmax since they came out. Seems to stay cleaner a tad longer then when I used CCI Maxi-mags HP.

Paul

Last edited by Airguy; 06-25-2013 at 11:33 AM.
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Old 06-25-2013, 07:57 PM
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It all depends on what kind of ammo, and what level of accuracy you expect. Every 500 would be a safe number for most 22 mag ammo.
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