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Old 02-09-2010, 04:12 PM   #1
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Default Rifle break in

i got a new marlin 336SS 30/30 and was wondering if there is any type of barrell brekin procedure i should follow to ensure accuacy and quality.
Thanks

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Old 02-09-2010, 04:14 PM   #2
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Shoot it then clean it. then do it again and again and again. Unless your lazy like me and only clean when you really have to.

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Old 02-09-2010, 04:33 PM   #3
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Factory Barrel I assume? Not a full blown custom?

General rule of thumb for Factory stick is to shoot 3 to 5 rounds, run a bore brush and patch, shoot 3 to 5 more, run a bore brush and patch and do that for the first 20 rounds or so. After that, shoot 10 rounds and repeat the cleaning up until you hit about 40 or 50 rounds.

Then shoot and clean as one range session.

If you are trying different rounds to see what the rifle likes to shoot the best, I would recommend cleaning after each type/grain/maker is used and you are switching it up.

JD

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Old 02-09-2010, 04:34 PM   #4
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Yes, all stock.
Thanks guys, plan on doing the breakin soon

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Old 02-09-2010, 04:44 PM   #5
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For a rifle I do the following
Clean the bore.
Fire one shot and then clean with a good copper cleaner until the patches come out clean
repeat for 5 shots. (5shots total)
Fire 2 shots and clean, repeat 3 times (6 shots total)
fire 3 shots and clean, repeat 3 times(9 shots total)
Fire 5 shots and clean and thats it.
25 rounds and an hour or so at the range.

Barrel break in is the cause of much argument.
Feel free to vary this routine, the first 5 shots seem like they remove the most roughness from the bore and seem the most important.
I started doing this routine a couple years ago and it really seems to smooth out the bore. Copper fouling doesnt build up as fast.
Stays accurate longer between cleanings.

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Old 02-09-2010, 04:57 PM   #6
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I usually clean between every round for the 1st 10 rounds. Then I shoot 2-3 shots between cleaning for the next 20 rounds. It's then broke in properly according to my method. I'm impressed-most people who buy a new rifle don't bother breaking it in (especially a 30-30).

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Old 02-09-2010, 06:41 PM   #7
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We have bought Lilja, Broughton, McGowan, Krieger, Classic, and Lawton rifle barrels when Barney Lawton was alive. All are high quality and hand lapped, and most are stainless steel. I only have stainless steel on my personal rifles due to their increased corrosion resistance.

A 5 round (absolute minimum) to 20 round lead angle and throat break in is all we recommend. Spotlessly clean between each round as you are only getting a lapping effect with a copper and carbon free barrel bore. It is now ready to go.

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Old 02-09-2010, 06:59 PM   #8
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Most barrels made by top notch barrel makers are lapped and stress relieved as they come from the maker. Factory barrels are (usually) a lot rougher, and require more break in.

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Old 02-09-2010, 07:00 PM   #9
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Quote:
Originally Posted by stalkingbear View Post
I'm impressed-most people who buy a new rifle don't bother breaking it in (especially a 30-30).
Why is that??
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Old 02-09-2010, 07:07 PM   #10
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It seems they either don't think it'll make a difference and/or don't realize the benefits of properly breaking in a barrel.

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