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338 Lapua Barrel Life

 
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  #8  
Old 11-27-2012, 06:36 PM
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Re: 338 Lapua Barrel Life

How many shots before cleaning a 338 LM?
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  #9  
Old 11-27-2012, 06:53 PM
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Re: 338 Lapua Barrel Life

Quote:
Originally Posted by Archery1973 View Post
How many shots before cleaning a 338 LM?
If it is a new rifle, one shot.
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Old 11-27-2012, 07:01 PM
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Re: 338 Lapua Barrel Life

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Originally Posted by Broz View Post
If it is a new rifle, one shot.
No.....broken in barrel with 200 down the tube.

I ask because I notice my groups really tighten up after 15 shots. I'm not sure if it's the fouling or the guy behind the gun.

It's a McMillan EOL Outdoorman with a 300 grain Berger. Using Kelly's load data, it has done 0.277" at 100 yards (3 shot group).

I shot it at 500 yards today. I was completely off target the first few shots (it had 4 shots fired before I started this session) and then dropped down to about a 3" group at 500 yards with shots 15, 16 and 17.
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Old 11-27-2012, 08:10 PM
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Re: 338 Lapua Barrel Life

Quote:
Originally Posted by Archery1973 View Post
No.....broken in barrel with 200 down the tube.

I ask because I notice my groups really tighten up after 15 shots. I'm not sure if it's the fouling or the guy behind the gun.

It's a McMillan EOL Outdoorman with a 300 grain Berger. Using Kelly's load data, it has done 0.277" at 100 yards (3 shot group).

I shot it at 500 yards today. I was completely off target the first few shots (it had 4 shots fired before I started this session) and then dropped down to about a 3" group at 500 yards with shots 15, 16 and 17.
I would clean every 40 to 50 rounds now. Then after a few hundred more maybe increase that a bit. Mainly let the rifle tell you when it needs it. If the groups start to open up it is asking to be cleaned.

Jeff
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Old 11-27-2012, 08:49 PM
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Re: 338 Lapua Barrel Life

Thanks.....that's what I needed to know.
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