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338 edge twist

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Unread 01-10-2007, 10:11 AM
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Join Date: Dec 2006
Posts: 308
338 edge twist

What twist rate would you guys recommend for the big 300 grn horse pills? 1:10"????

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Unread 01-10-2007, 12:15 PM
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Join Date: Nov 2005
Location: Riggins Idaho
Posts: 1,194
Re: 338 edge twist

I have a 1 10 twist on my 338-378imp. Still havent got to shoot any bullets out of it to tell if it will stabilize them.
I dont know who ever came up with the imaganary word of "Over Gunned"
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Unread 01-10-2007, 03:20 PM
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Join Date: Sep 2003
Location: Nebraska
Posts: 810
Re: 338 edge twist

Yes they use 10 twist. When the bullet speed passes 3200fps (300MK) then you can go to 11" but 10 will work across the spectrum.

Sierra recomends a 10 twist for this bullet.


"Let the good times roll"
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Unread 01-10-2007, 08:33 PM
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Join Date: Feb 2004
Location: Pennsyltucky
Posts: 2,630
Re: 338 edge twist

i've heard of a couple competition shooters that are using an 11.5 and not shooting them all that fast. for any hunting gun that has an edge chambering,a 10 will probably serve you best.
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Unread 01-11-2007, 08:52 AM
Join Date: Jun 2007
Location: North Idaho
Posts: 1,877
Re: 338 edge twist

I use a 1-10 twist in all the ones I build.
Shawn Carlock
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Unread 01-11-2007, 11:33 AM
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Join Date: Jun 2004
Location: Fort Shaw, Montana
Posts: 6,841
Re: 338 edge twist

I use 1-10s in all my big 338s as well. I have never seen a problem with accuracy from the 338 Win Mag up to the 338 AM.

In some instances there may be some more appropriate twist rates but as of yet with this range of chamberings I have not found one.

Kirby Allen(50)
Kirby Allen(50)

Allen Precision Shooting
Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

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Unread 01-11-2007, 05:28 PM
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Join Date: Jan 2005
Location: WNC
Posts: 98
Re: 338 edge twist

Ok what is a 338 Edge? and Kirby what parent case are you using for your AM's?
Only two defining forces have ever offered to die for you, Jesus Christ and the American G.I. One died for your soul, the other for your freedom.
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