  | Goofy groups |
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02-22-2004, 07:33 PM
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Junior Member
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Join Date: Mar 2002
Location: South Dakota
Posts: 22
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Goofy groups
My "problem child" is still at it. I loaded up some MK's and shot it this weekend. I had 2 shots at about1/4" and 1 was 2" lower. I tried pressure bedding with a business card-no change. If I superimposed the groups, I'd have 2 very nice groups with 2/3 of the holes in the top group and 1/3 of the holes in the bottom group. What do I do? Firelap? Handlapping? Rescope? what are your thoughts?
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02-22-2004, 09:53 PM
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Platinum Member
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Join Date: Jan 2003
Location: The rifle range, or archery range or behind the computer in Alaska
Posts: 3,151
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Re: Goofy groups
Could be bedding, or stress in the barrel, or it might not like the bullets you are feeding it.
Also, is it the first shot thats 2" low. Is it always the same shot number??
More info is neccesary
[ 02-22-2004: Message edited by: meichele ]
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Go the distance or go home
Follow through matters. SEE THE FIRE!!! 
August 2011 dall sheep: SUCCESSFULL!!
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September 2011 muzzleloader bull elk: SUCCESSFULL!!
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02-23-2004, 09:19 PM
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Junior Member
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Join Date: Mar 2002
Location: South Dakota
Posts: 22
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Re: Goofy groups
I'm not really sure which shot it is. It was just a nice day and I grabbed and ran.Not many 35 degree days with no wind this time of year in South Dakota. I'm thinking its the first. The fouling group was not as pronounced a vertical spread, but more of a horizontal spread between the top 2 shots.
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02-23-2004, 11:08 PM
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Platinum Member
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Join Date: Jan 2003
Location: The rifle range, or archery range or behind the computer in Alaska
Posts: 3,151
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Re: Goofy groups
Also, it could be the effects of a bipod. The first thing that came to mind was a "cold bore" shot.
__________________
Limits are only perceived by what has previously been achieved. Push the limits and good things will happen.
Go the distance or go home
Follow through matters. SEE THE FIRE!!!
August 2011 dall sheep: SUCCESSFULL!!
August 2011 Caribou: Caribou: 1, Michael: 0
September 2011 muzzleloader bull elk: SUCCESSFULL!!
It's BEEN a GREAT year!
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02-24-2004, 08:16 PM
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Platinum Member
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Join Date: Jan 2004
Location: Blackfoot, Idaho
Posts: 7,492
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Re: Goofy groups
Having identical problem with a Rem 721 in '06. Just restocked w/laminated thumbhole stock which is quite flexible on the fore end. BBL is floated enough that that shouldn't make a difference.
The rifle shot fine for 54 years with 2 different stocks. Barrel is in good internal shape also.
Will do some more load development in the next few days. Will post anything definitive.
__________________
AKA - the guy who knows the guy who will be heralded as the man who kept elk from extinction. 
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02-24-2004, 09:04 PM
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Junior Member
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Join Date: Mar 2002
Location: South Dakota
Posts: 22
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Re: Goofy groups
A smith told me to turn the scope 90 degrees and see if the groups turn also. That will be my next test.
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02-25-2004, 03:41 PM
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Bronze Member
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Join Date: Jan 2004
Location: Dover PA
Posts: 45
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Re: Goofy groups
We had that problem this past fall when sitting in for deer season. My brother in law and I where shooting in his brother in laws rifle and we had that same problem. We both thought I was his cheap trashco scope. But for the deers sake we took off the scope and started fresh and found a loose scope base. A couple of drops of lock tight and remounted the scope and things the groups tightend right up. He still ended up missing go figure. [img]images/icons/grin.gif[/img]
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