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best twist for the .338 350 gr wildcat bullet?

 
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  #8  
Old 03-17-2005, 05:18 PM
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Re: best twist for the .338 350 gr wildcat bullet?

Kirby, in an earlier post you recommended a 1 in 9 twist for the .338 using the 350 grainers from WILDCAT BULLETS. Well who the heck makes a 1 in 9 twist in a .338? [img]/ubbthreads/images/graemlins/confused.gif[/img]
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  #9  
Old 03-17-2005, 05:22 PM
 
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Re: best twist for the .338 350 gr wildcat bullet?

Go to Short Mags.org.Click on reloading ,scroll down to the twist rate calculator.It will give you all the info you need.
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Old 03-17-2005, 05:42 PM
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Re: best twist for the .338 350 gr wildcat bullet?

[ QUOTE ]
Go to Short Mags.org.Click on reloading ,scroll down to the twist rate calculator.It will give you all the info you need.

[/ QUOTE ] hardcase that was neat, who the heck makes a 1 in 9 twist barrel in .338? [img]/ubbthreads/images/graemlins/confused.gif[/img]
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Old 03-17-2005, 06:15 PM
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Re: best twist for the .338 350 gr wildcat bullet?

I am going to try these in my 338-408 this spring. Im wondering how they are going to work in my 11.5 twist barrel, Its throated for the 300 Mk's.
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Old 03-18-2005, 12:07 AM
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Re: best twist for the .338 350 gr wildcat bullet?

Brett Moffitt,

I apologize, Inhailing to many fumes off the lathe!!!

The 3050 fps velocity is what I am getting with the 300 gr ULDs. This is a relatively mild load but plenty for what I am doing.

The 350 gr pills top out at around 2800 fps which is a warm load. 2750 is much more comfortable.

again, I apologize for the typo, maybe I need to be sleeping more and typing less!!!

Good Shooting!!

Kirby Allen(50)
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Old 03-18-2005, 12:13 AM
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Re: best twist for the .338 350 gr wildcat bullet?

3sixbits,

Pac-Nor makes a 1-7 and a 1-8 twist in 338. For the Lapua or RUM class rounds, the 1-8 should work very well.

Personally, if my 1-10 twist 338 Kahn does not handle them at extreme range, I will have Lilja tool up to make a 1-8 338 barrel and I will use them. Cost a bit but in my opinion would be well worth the cost.

Pac Nor barrels are quite good though, especially the Super Match barrels which is all I would ever recommend for such a rifle.

Decent price as well.

www.pac-nor.com

Good Shooting!!

Kirby Allen(50)
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Farther, Faster and Flatter then ever before.

Web Page: www.apsrifles.com

allenmagnum@gmail.com
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  #14  
Old 03-18-2005, 12:16 AM
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Re: best twist for the .338 350 gr wildcat bullet?

Black Diamond 408,

You certainly would have plenty of case capacity even with the 300 gr throat, in fact the 350 would probably be a much better match for this huge case then the 300 gr ULDs would be. Should get more consistant velocities with the heavier bullet.

I do feel the 11.5 twist may be to slow for this bullet though. Increased velocity will only take you so far with stability. Since you have the twist it would be interesting to see if it would keep these bullets on point at long range.

To be honest, I would guess it will not but worth a try.

Good Shooting!!

Kirby Allen(50)
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Home of the Allen Magnum, Allen Xpress and Allen Tactical Wildcats and the Painkiller Muzzle brakes.

Farther, Faster and Flatter then ever before.

Web Page: www.apsrifles.com

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