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which 7mm

 
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  #1  
Old 06-29-2012, 01:25 AM
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Join Date: Jan 2010
Location: Willamette Vally
Posts: 91
which 7mm

I have:

Rem700 long action mag bolt face(CM)
30 " shillen select match 8 twist 7mm barrel
mcmillan a2 "on the way"

I want:

to push berger 180-195 or matrix 190 3100+fps

What case would you go with. Dakota has a wonky bolt face dimension and scattered thoughts on brass quality. 7-375 ruger seems like a lot of necking down and i dont enjoy the act of turning necks all that much. No bolt mods though. Would a 7RUM feed from a magazine with those long bullets hanging way out the mouth? Allen mag, probably too long as well and some have reservations about the lapua bolt face and a rem 700. 284 jazz. This has my attention not too much necking down, room for long bullets out the front, good brass apparently. bolt face issues? Thinking tubb bolt if factory bolt needs many mods. I just cant decide which piece of brass would be the least headache to feed from a magazine and push the bullets to the speed I want with a reasonable and consistent life. Wildcats don't bug me, kinda like them actually. Just don't want anything TOO wild. Tips from those who have gone before me are greatly appreciated. Oh this would be a hunting rifle, not a high volume practice/target rifle. Barrel life is not a major concern.
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  #2  
Old 06-29-2012, 01:42 AM
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Join Date: Oct 2008
Location: New Bern, NC
Posts: 609
Re: which 7mm

Sounds like a 7 LRM (7-375 Ruger) would fit you quite nicely. You can purchase the brass from Gunwerks already formed and properly head stamped.
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  #3  
Old 06-29-2012, 02:23 AM
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Join Date: Mar 2002
Location: Wyoming
Posts: 2,615
Re: which 7mm

For a hunting rifle the 7mm RUM is hard to beat with your action. It probably will not be a repeater with best accuracy. I load my best accuracy load and single shoot those. I seat some deeper to feed through my magazine. Those usually will be good to 500-600 yards for fast shots. Shots longer than that you have plenty of time to single load usually. That gives me the best of both worlds with the top performance cartridges.
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  #4  
Old 06-29-2012, 06:17 AM
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Join Date: Jul 2004
Location: Texas
Posts: 5,592
Re: which 7mm

Quote:
Originally Posted by Long Time Long Ranger View Post
For a hunting rifle the 7mm RUM is hard to beat with your action. It probably will not be a repeater with best accuracy. I load my best accuracy load and single shoot those. I seat some deeper to feed through my magazine. Those usually will be good to 500-600 yards for fast shots. Shots longer than that you have plenty of time to single load usually. That gives me the best of both worlds with the top performance cartridges.

+ 1

The big RUM will fill your needs very well.

J E CUSTOM
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  #5  
Old 06-29-2012, 06:22 AM
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Join Date: Dec 2005
Location: Tucson Az
Posts: 1,391
Re: which 7mm

Try a RUM case and see if it will pass through the feed rails. The few non RUM LA remingtons I tried had feed rails too narrow for the RUM case.

A 7 Rem mag with a 30" barrel and a 180 can give you approx 3050 fps. I know because I did it with mine.
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  #6  
Old 06-29-2012, 07:42 AM
Gold Member
 
Join Date: Dec 2001
Posts: 800
Re: which 7mm

Quote:
Originally Posted by Skimbleshanks View Post
I have:

Rem700 long action mag bolt face(CM)
30 " shillen select match 8 twist 7mm barrel
mcmillan a2 "on the way"

I want:

to push berger 180-195 or matrix 190 3100+fps

What case would you go with. Dakota has a wonky bolt face dimension and scattered thoughts on brass quality. 7-375 ruger seems like a lot of necking down and i dont enjoy the act of turning necks all that much. No bolt mods though. Would a 7RUM feed from a magazine with those long bullets hanging way out the mouth? Allen mag, probably too long as well and some have reservations about the lapua bolt face and a rem 700. 284 jazz. This has my attention not too much necking down, room for long bullets out the front, good brass apparently. bolt face issues? Thinking tubb bolt if factory bolt needs many mods. I just cant decide which piece of brass would be the least headache to feed from a magazine and push the bullets to the speed I want with a reasonable and consistent life. Wildcats don't bug me, kinda like them actually. Just don't want anything TOO wild. Tips from those who have gone before me are greatly appreciated. Oh this would be a hunting rifle, not a high volume practice/target rifle. Barrel life is not a major concern.
You may want to look at the Wyatt magazine

MBE-3 Magazine Box, WYATT'S OUTDOOR, INC.
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  #7  
Old 06-29-2012, 10:07 AM
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Join Date: Sep 2011
Location: West Wendover, NV
Posts: 199
Re: which 7mm

You could always come to the dark side and go 7 STW!!!!!
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