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.376 Steyr Request
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Picture of murkan mike
posted
I know this question came up a few years back, but I was wondering if anyone had any recent experience with any Vihtavouri powder in the .376 Steyr.

I live in Germany and have been trying to get all of my loads moved over to VV powders because they are about the only brand I can rely on getting consistently all the time. A few years back there was some discussions about different load data and the only Vihtavouri loads for the .376 was N550.

Now it's been a few years later and has anyone developed anything different?

Much Appreciated
 
Posts: 84 | Location: A transplanted Texan in Germany | Registered: 13 November 2006Reply With Quote
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Mike, I've had the best luck with Varget in the 376 Steyr. If I were needed to use VV powders I'd try N-140 and N-150 both of which are in the burning rate range for the 376. When working with powders you don't have a lot of data for see if you can find data for a powder with a similar burn rate and then start WELL below the recommended charges for the similar burn rate powders. Work up slowly and stop when you are acheiving acceptable velocity with good accuracy. The trick is to go slow and watch things very carefully.......................DJ


....Remember that this is all supposed to be for fun!..................
 
Posts: 3976 | Location: Oklahoma,USA | Registered: 27 February 2004Reply With Quote
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Here is something.
https://forums.accuratereloading.com/eve/forums/a/tpc/f/...=516101315#516101315

For now, I have loads for Norma Oryx 300gr & N550, Hornady 270gr SP & N550 & N540 and Hornady 225gr SP & N130. I might try to load Hor 270 SP & N135, but there is so little time left before season. I tried also Hornady 300gr RN & N550, but this bullet is waste of money as you can see from these pictures:
http://forum.eralle.net/viewtopic.php?t=21836

I have more loads for different bullets and different Vihtavuori powders, but those aren't mine so I can't show them here. Maybe by email...?

I do not take any responsibilty how these loads works in your gun.
 
Posts: 8 | Location: Finland | Registered: 18 February 2006Reply With Quote
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harppa,

is there a way to get that in the English writings? Man I am having "great" difficulties in reading what is being mentioned of-ha

I am tempted still yet to do a .375 Steyer necked up to a 400 with a 40 degree shoulder

I see the impacted mushrooms but how is the penetration on your Moose? Hornady. mmmh nice pics
 
Posts: 1019 | Location: foothills of the Brooks Range | Registered: 01 April 2005Reply With Quote
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According to Quickload 3.3, the suitable VV powders are: N133, N135, N140, N530 and N540. If you tell us which bullet(s) you've chosen, I can give you some more data.
 
Posts: 1459 | Location: north-west Italy | Registered: 16 April 2002Reply With Quote
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I've been using N-135 exclusively in mine, IIRC. I'll look tomorrow morning when I get into my shop again, and let you know more, IF my mmory hasn't played tricks on me.
 
Posts: 9685 | Location: Cave Creek 85331, USA | Registered: 17 August 2001Reply With Quote
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Picture of Mike_Dettorre
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For 270 grn bullets

N-135 From 49.8 grains to 59.3 grains


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10164 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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Grizz, my moose were wet phonebooks in those "taxfree" plasticbags. In the table word "osumanopeus" means impact velocity (mps), "jäämä-%" means bullet's final weight in percents and "laajenema-%" tells how much bullet's diameters did expand.

I shot one fall at last season, but Oryx went through what was expected. I found animal after 30m.

1m = 3,28ft
 
Posts: 8 | Location: Finland | Registered: 18 February 2006Reply With Quote
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Sorry Grizz, you asked about penetration. From slowest to fastest:
Hor 270: 17.1", 13.4", 13.4"
Hor 300: 16.5", 15.9"
Oryx 300: 16.9", 16.1", 15.9"

But. I shot each loads only once and I first planned to examine that penetration afterwards, but why bother: Hornady 300gr RN was disappointment and Oryx was so good or good enough for moose.
 
Posts: 8 | Location: Finland | Registered: 18 February 2006Reply With Quote
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