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Having trouble getting my 7 LRM to shoot

 
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  #15  
Old 10-28-2013, 02:22 PM
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Join Date: Feb 2010
Posts: 90
Re: Having trouble getting my 7 LRM to shoot

I've tried retumbo and H1000, 168, 180 hunters, 180 hybrids and 162 amaxs, seating from .010 to .050 off the lands and charges from 69-72.5 grains.

Nothing shot any better or any worse really.
I've checked the bedding and torqued everything a couple times. I shot it without the brake to see if it was causing anything. Nothing seems to help.
I also don't know why I had to back off of my loads so much compared to everyone elses?

Thanks for the advice everybody. I'm going to mess with it a little more and if nothing changes, its going back to the smith.
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  #16  
Old 10-28-2013, 02:48 PM
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Join Date: Sep 2012
Location: Nova Scotia, Canada
Posts: 87
Re: Having trouble getting my 7 LRM to shoot

I feel your pain. I purchased a new Cooper in 7mm-08. Everything I tried seemed to shoot 1.25" - 2.25". I returned the rifle to Cooper and it had an issue with barrel run out. They rebarreled and rebedded it. I got it back and it still doesn't shoot. Tried the scope on my 300 Win Mag and shot 0.58" and 0.72" four shot groups. That ruled out the scope so it's back to Cooper a second time!
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  #17  
Old 10-28-2013, 03:06 PM
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Join Date: Oct 2008
Location: Boise, ID
Posts: 856
Re: Having trouble getting my 7 LRM to shoot

Then I would try them again into the lands or within a few thousandths of the lands. If everything else on the rifle checks out ok then it's probably a bad barrel. Bad barrels happen. I've had a bunch of bad ones in the last 20+ years. Send the barrel back to Broughton after the smith once overs the rifle.
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  #18  
Old 10-28-2013, 03:13 PM
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Join Date: Feb 2010
Posts: 90
Re: Having trouble getting my 7 LRM to shoot

Thats what I'm thinking too. I was wrong on the barrel, its a bartlein not a broughton.
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  #19  
Old 04-10-2014, 06:48 PM
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Join Date: Nov 2010
Location: Round Rock, TX
Posts: 181
Re: Having trouble getting my 7 LRM to shoot

Did you work this out?
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  #20  
Old 04-10-2014, 08:44 PM
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Join Date: Feb 2010
Posts: 90
Re: Having trouble getting my 7 LRM to shoot

No I never got it going right. I got tired of messing with it and its been sitting ever since. I can't decide wether to put a new barrel on it, or sell it/part it out.
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  #21  
Old 04-11-2014, 05:56 AM
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Join Date: Dec 2005
Location: Tucson Az
Posts: 1,393
Re: Having trouble getting my 7 LRM to shoot

I hate to say it but if you could put another barrel on it or rechamber the existing one you might be able to figure out why it won't shoot. I am pretty sure a 7 RUM should clean up the chamber without setback.
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