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Old October 24, 2014, 04:38 PM   #1
ImjinScout85
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VV N320 Load data Help

Hey all, was wondering if anybody has an old Lapua load manual or some info for me. I looked on Lapua website but they don't list what I'm looking for. I'm looking for .40SW FMJ load chart for VN320 in a 180gr bullet. They only list a Fiochi lead bullet, thanks for any help.
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Old October 24, 2014, 05:41 PM   #2
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Page 549 of the 2nd Ed. Lee manual has loads for 180g jacketed; it lists VV in N340, N350 & 3N37. The Fiocchi load information @ http://www.vihtavuori.com/en/reloadi...g/-40-s-w.html is the only mention of N320 that I know of.
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Old October 24, 2014, 06:57 PM   #3
Walkalong
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The Lapua PDFs don't show any loads with N320 and a 180 Gr bullet with N320 because it is too fast for full power loads.

It should work just fine for light loads, although whether it will be accurate would have to be tested.

If it were me, I would try from 3.5 to 3.8 Grs N320 at a reasonable OAL.... if it were me. I can't tell you what to do nor am I recommended you try this.

The slower powders are much better suited to .40 S&W. I would also say lead is much more suited to light .40 loads than jacketed or plated.
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Old October 24, 2014, 10:07 PM   #4
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I had a a shooter friend that used n320 under a 165 gr with a LOT of success in USPSA Limited class matches, but I don't know the load he used.
Some use n320 in 45 acp, so it may run with 180gr 40 cal.

The Brian Enos forum has several comments and loads given by competitors who like it with 180gr MG JHPs: http://www.brianenos.com/forums/inde...owtopic=141459

Last edited by 1SOW; October 24, 2014 at 10:13 PM.
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Old October 24, 2014, 10:28 PM   #5
ImjinScout85
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Thanks for the info and looking for me, I will just work up some loads using the lead info. I normally use HS-6 for my 40sw and really like that. As we all know about the availability of pistol powders I was able to get some N320 awhile back. So I'm just trying to work up some loads with this powder if I can't get HS-6 before I run out. So far my 9mm and 45acp loads have been great using the VV and I really like this stuff, thanks again guys
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Old October 24, 2014, 11:07 PM   #6
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Vit N320 powder has been re-formulated by the company's new owner. First, you need to decide if you got the "old Vit" or the "new Vit". I understand that the new loads vary considerably.
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Old Yesterday, 12:25 AM   #7
Mad Chemist
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Quote:
rfwobbly Vit N320 powder has been re-formulated by the company's new owner. First, you need to decide if you got the "old Vit" or the "new Vit". I understand that the new loads vary considerably.

Please cite a source for this info.
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Old Yesterday, 08:42 AM   #8
Walkalong
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N320 is an awesome powder as is, so I would be disappointed if it has been changed.

The newest Vihtavuori jugs do have new labeling.
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Old Yesterday, 08:52 AM   #9
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Quote:
Mad Chemist: Please cite a source for this info.

Right Here
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Old Yesterday, 10:05 AM   #10
ImjinScout85
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I just started using this VV, so I don't have any old vs new and nothing to compare them too. I just surprised on the limited amount of load data for this powder. I did search the B Enos's forum but most of those guys load real long in .40sw and I just load plinking ammo to OAL of 1.125.
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Old Yesterday, 07:17 PM   #11
Walkalong
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Quote:
Right Here
Speculation so far. Maybe someone could call them.
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Old Yesterday, 08:15 PM   #12
Mad Chemist
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Yep internet forum rumors.

Artofgolf had a contact at Namo which is the company that aquired VV. I remember he had a thread or a post about it.

I doubt that any changes amount to anything more than lot to lot variation. "Reformulation" is something else entirely. None of the conjecture in the posted forum thread even goes there. The most credible comments attribute any variation to what is typical of lot variation.


Reformulation, on the other hand, indicates a major change in the physical properties. Nitro100nf is a perfect example.
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Old Yesterday, 10:43 PM   #13
Artofgolf
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Quote:
Originally Posted by Mad Chemist View Post
Artofgolf had a contact at Namo which is the company that aquired VV. I remember he had a thread or a post about it.
Kevin Thomas is his name. E-mail: kthomas@nammoinc.com

Send him a message & ask about it
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