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7mm Rem Mag Twist Rate

 
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  #1  
Old 02-09-2011, 08:40 PM
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Join Date: Feb 2011
Posts: 20
7mm Rem Mag Twist Rate

I am currently doing a rebuild on my Ruger M77 MKII and I would much appreciate any suggestions on proper twist rate for the barrel I am building.

Ruger M77 MKII 7mm Rem Mag

H-S Precision Pro Series Sporter Stock (PSS033)

Original Action with Timney Trigger

SS Sporter Contour #6 that I have machined to 27" with 6 Flutes, recessed crown and will have a company do the chambering.

Zeiss Conquest 3.5-10x50 MC Scope

Farrell Rail and Rings

Accu Shot Monopod and Bipod

I plan on using only 140 - 160 grain bullets.



Thank you in advance

Newbie

Last edited by brainey64; 02-09-2011 at 08:41 PM. Reason: messed up title
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  #2  
Old 02-09-2011, 08:54 PM
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Join Date: Nov 2008
Location: Central Pennsylvania
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Re: 7mm Rem Mag Twist Rate

If your planning to stick with 140 to 160 grain bullets, a 1:9 twist will do it. That will even handle up to a 175 and even 180 grain bullets. It will be all you need.

Tank
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  #3  
Old 02-09-2011, 09:52 PM
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Posts: 20
Re: 7mm Rem Mag Twist Rate

thanks Tank....I was looking at 1:9 or 1:9.5
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