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How to tighten up my group.

 
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  #1  
Old 11-06-2006, 10:52 AM
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How to tighten up my group.

I have a Tikka .300 Win Mag, I am shooting 168 Gr Triple Shocks with 78Gr of Reloader19 with Federal match grade magnum primers and Winchester brass. Part of the problem that I have is that I can not make my bullets any longer that 3.34" because of my clip.
If I were to neck size my brass will this do anything to help the accuracy.
Any help that you guys can provide would be great.
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  #2  
Old 11-06-2006, 11:41 AM
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Re: How to tighten up my group.

neck sizing might help another thing you may want to try is another bullet. The tripple shock bullets are supposed to be alot easier than the old XC bullets but their are alot of others that might shoot a little bit better you may also try a little heavier bullet.
you might also want to try differant powders the R-19 is pretty fast for the 300Win mag I've had good results with R-22. You might also want to try using a regular large rifle primer with the R-19
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  #3  
Old 11-07-2006, 07:00 AM
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Re: How to tighten up my group.

I would try hodgen H-1000 I worked up a load for a buddy last year and Hogden 1000 produced the best with 180 grain Sierras.
I haven't ever been able to get the barnes to shoot as accurate as the Sierras and I have never had a Sierra fail to kill what I was shooting. They are half the price as well. The other bullet I would try is the Nosler Acubond 180. This is an accurate deadly bullet in about anything. Barnes is revisiting some of their designs for improving the accuracy but I do not know how far they have come.

Hope this helps, RH
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Old 11-07-2006, 07:38 AM
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Re: How to tighten up my group.

I shot H1000 in the Browning .300 WM that I used to have, and I had terrible results. I do have some left, and maybe with my new Tikka it would be different. As for the Accu-bonds I will never shot them again I had horrible results with Accu-bonds last year. The Accu-Bonds were fragmenting badly on impact.
With the load I am shooting 168GR Triple shock and 78Gr Reloader19 I am shooting consistantly 1" groups at 100 yards, but I want to make this alot better.
I will give the H1000 a try. Thanks for the advice.
How do the SMK'S work on animals? I want to shoot everything from Whitetail,Muledeer,Moose, and Elk with this load.
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  #5  
Old 11-07-2006, 08:43 AM
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Re: How to tighten up my group.

I have always had good luck neck sizing only. I use Lee Collet dies on everything I can. When they start getting hard to close the bolt I will give them a slight bump with my full length die.

If you had trouble with the Accubond fragmenting the light jacketed non-bonded SMK will be a complete disaster. H-1000 is too slow for a 300WM. A 300WM should do well with a 180 grain bullet and IMR-4831, H-4831 or RL-22. You should be able to get 3100 fps. I have always had good luck with CCI-250 primers.
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  #6  
Old 11-07-2006, 04:19 PM
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Re: How to tighten up my group.

I have a Tikka T3 Varmint Stainless Synthetic. From what I can see from alot of other posts .300 WM's like a longer than factory bullet, I am limited in the length that I can make my bullets because of the clip design. Is there a way that I would be able to somehow make my stock suitable to accept a larger magazine, whick will allow me to lengthen my overall length?
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  #7  
Old 11-07-2006, 05:39 PM
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Re: How to tighten up my group.

That load sounds like it could be plenty warm. What would happen if you back it down about 50-75 fps. Or you could try seating the bullet deeper by...say......020" increments.
(Even though you are seated deep already....it doesn't really matter)

If you want to tighten your groups you'll have to change your harmonics a bit...hopefully you'll get a good reaction and not go the other way.

Also maybe consider another primer---if you are using a WLRM or Fed 215 try going to a milder primer like a cci magnum primer.
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