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7mm tikka bad accuracy

 
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  #1  
Old 09-21-2013, 11:02 PM
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Join Date: Apr 2013
Location: Alaska
Posts: 17
7mm tikka bad accuracy

Hi All,

Iv got a 7mm tikka t3 light LH that's I've been having trouble getting any decent accuracy out of lately. I've shot cheap 175 federal from a lead sled into about 1", and I loaded up some 162 a-max that shot great with re119. Now using H4831 and 160 accubonds I am getting 5 inch groups. I thought maybe bullet weight could be wrong so I tried some 140 tsx and I got one good group but the rest were everywhere 8 inches. I then proceeded to shoot federal premium 150 ballistic tips and even they had about 4 inch group.


140 tsx were .050 off the lands as per Barnes recommendation.
160 accubonds were loaded .010 off

I know I'm not a great shot but I was shooting my stock ruger .243 with 105 Amax at the same time and getting 2in or better groups even working up a load.

So the question is this, is my scope/rings lose or bad? Or do I just need to keep playing with seating depth?

Thanks
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  #2  
Old 09-22-2013, 07:06 AM
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Join Date: Dec 2010
Location: Central Florida
Posts: 122
Re: 7mm tikka bad accuracy

Loosen the two action screws and re-torque to factory specs. My Mark V had an 8" x 12" pattern at 100 ygs (WTF). Re-torque action screws and got .75" groups at 100 yds.
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  #3  
Old 09-22-2013, 12:23 PM
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Join Date: Apr 2013
Location: Alaska
Posts: 17
Re: 7mm tikka bad accuracy

Sometimes it is the simple things that make all the difference. Thanks for the advice I'll give it a try today.
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  #4  
Old 09-22-2013, 12:30 PM
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Join Date: Apr 2005
Location: Alaska
Posts: 3,348
Re: 7mm tikka bad accuracy

Quote:
Originally Posted by Akoutdoors View Post
So the question is this, is my scope/rings lose or bad? Or do I just need to keep playing with seating depth?

Thanks
What are you using for scope rings? The aluminum ones supplied with the Tikka T3s aren't much good on the 7 mags and higher recoil rifles.
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  #5  
Old 09-22-2013, 12:44 PM
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Join Date: Apr 2013
Location: Alaska
Posts: 17
Re: 7mm tikka bad accuracy

I have mark 4 rings and a egw rail along with a 4.5-14x50 mark 4 scope. I taken so good falls packing deer off a mountain but I know they have a reputation on being tough.

I'm going to re- torqu everything and loc tite it and see if there's a difference.
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  #6  
Old 09-22-2013, 12:54 PM
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Join Date: Apr 2005
Location: Alaska
Posts: 3,348
Re: 7mm tikka bad accuracy

Glad you're not using the Tikka supplied aluminum rings. Good luck trouble shooting your rifle.
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  #7  
Old 09-22-2013, 01:10 PM
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Join Date: Feb 2006
Location: az
Posts: 2,233
Re: 7mm tikka bad accuracy

i would use a pedistal and rear bag not a lead sled.
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