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Accuracy issue

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Old 09-09-2012, 07:46 PM
Bronze Member
Join Date: Oct 2009
Posts: 56
Accuracy issue

Ok, I’m getting frustrated at the range. I’ve shot 3 four shot groups throughout the course of a week. Out of four shots, two will be touching or almost touching (up to Ĺ inch), and the other two are the same (touching or almost) but about 2 inches low left. The scope seems tight, but when I mounted it I did not use a torque wrench! Would that be the issue? Any ideas?
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Old 09-09-2012, 07:58 PM
Bronze Member
Join Date: Feb 2011
Posts: 98
Re: Accuracy issue

Several questions. Does the gun repeat this pattern? Where to the 5 and 6th shot land? Sounds more like your barrel is heating up and you are experiencing bedding issues. I would think if the pattern is repeating, then it probably would not be the scope.
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Old 09-09-2012, 09:08 PM
Bronze Member
Join Date: Oct 2009
Posts: 56
Re: Accuracy issue

These are three of the groups. The first two are 100 yards, the last picture is 180 yards.

Accuracy issue-img_1553.jpg
Accuracy issue-img_1554.jpg
Accuracy issue-img_1552.jpg
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Old 09-10-2012, 07:48 AM
Silver Member
Join Date: Jan 2008
Posts: 413
Re: Accuracy issue

Tell us more about the set-up. Rifle,scope,rings,base,ammo.
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Old 09-10-2012, 08:36 AM
Platinum Member
Join Date: Nov 2008
Location: Central Pennsylvania
Posts: 4,029
Re: Accuracy issue

Check that the barrel is completely free floated from the action the the end of the forearm. Check to make sure the action is binding when the action screws are tightened. Are you using hand loads or factory?
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Old 09-10-2012, 12:00 PM
Bronze Member
Join Date: Oct 2009
Posts: 56
Re: Accuracy issue

The Rifle was made by McWhorter Custom Rifles - 7mmSTW. I bought it two months ago which they supplied me with 20 rounds of ammo, plus load data. The first three or four trips to the range the rifle shot great (1/2 inch groups). Now the last 20-30 shots are not so. Even the ammo supplied with the gun is acting up.

I have a 5.5x22-50 night force scope with tally mounts. The barrel has been cleaned, and it is free floating. Iíve been shooting rifles for 15 plus years and never came across a gun that shots good groups but in two or three different places on the target. Before I make the phone call to McWhorter to see if they know, I though Iíll give this site a try. I got a hold of a torque wrench so I hope that might solve the issue????

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Old 09-10-2012, 12:40 PM
Platinum Member
Join Date: Apr 2012
Location: The cold part of Montana
Posts: 1,390
Re: Accuracy issue

I've seen this before! My dads 06 would put #1 and #3 shots in the same hole and 2 shot would go high and right 3/4 moa. It was like friggin clock work. I had a buddy that was a sniper in the marines shoot it to see it if did it for him too. It did every time! turned out the stock had a crack behind the recoil lug.
Keep in mind the animals we shoot for food and display are not bullet proof. Contrary to popular belief, they bleed and die just like they did a hundred years ago. Being competent with a given rifle is far more important than impressive ballistics and poor shootability. High velocity misses never put a steak in the freezer.

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