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Emergency! Please help.

 
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  #1  
Old 09-27-2009, 08:49 PM
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Join Date: Mar 2006
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Emergency! Please help.

I have a 300 RUM, it is a Remington 700, I had a Vias muzzlebrake added, stock bedded and pillared(sp). It was shooting better than 3/4" groups two weeks ago. Walked it out to a 1000 yards. It was dialed in. I am in the middle of a limited entry mule deer hunt. I let my buddy try and shoot a coyote in a field, let him know to aim low, gun is zeroed at 300 yards. He shoots high a couple of times. I shoot it, and it won't keep a group. Check the scope and take it too the range where there is a guy who puts them in a vice. He shoots it and again it is all over the place. So, its either the bullets or the gun. The bullets that I am shooting were loaded up the same time as the bullets that were so accurate, so I am pretty sure that its not the bullets. So I am worried that its the rifle. Does anyone have any experience with this? I am going to call a couple gunsmiths tomorrow, but thought I would throw it out here first. The group is now bigger than 4" and I am shooting 200g Accubonds and 95g of Rutumbo. No pressure signs.
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Old 09-27-2009, 08:53 PM
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Location: N.Y. (Upstate)
Posts: 228
Re: Emergency! Please help.

Double check ALL of the screws on the rifle. Scope rings and mounts and the action screws. I had a similar experience and changed the scope out thinking it had gone bad , just to find the action screws loose.
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Old 09-27-2009, 08:57 PM
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Re: Emergency! Please help.

Here is a check list of what I would do.

Check action screws.

Check for loose scope base or rings

Clean the barrel with Boretec eliminator.

Swap out the scope.

I have had two Leupolds and one Redfield do this to me.

Hope this helps.

Jeff
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Old 09-27-2009, 09:08 PM
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Re: Emergency! Please help.

Having the dude put it in a vise I guess took out the scope issues. I did a double check to make sure everything was tight. I just checked the two screws that hold the action to the stock, and they are tight. I just don't understand how a rifle can go from tack driver to sh*t overnight.
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Old 09-27-2009, 10:46 PM
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Location: columbus ms
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Re: Emergency! Please help.

I believe I would check the diameter bore on the muzzle brake. If the bullets are scrapping, even if for powder residue. This will cause the grouping to change. Hope this helps. Loki
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Old 09-27-2009, 11:03 PM
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Re: Emergency! Please help.

Just about everything has been covered...

Check and make sure no debris or dirt has gotten into the chamber, specially inside where bolt lugs fit into.

Look at the bolt head, make sure there's not brass shavings there, clean

with a brush even if you don't see anything. This alone could be your problem.

Good Luck!!!
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Old 09-28-2009, 12:09 AM
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Re: Emergency! Please help.

Quote:
Originally Posted by 400Bullelk View Post
Having the dude put it in a vise I guess took out the scope issues.
I don't see how, explain this vice you put it in. I took it to be a leadsled.

Jeff
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