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.308 Norma Mag.

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Unread 02-23-2012, 07:50 PM
Junior Member
Join Date: Jun 2011
Posts: 18
Re: .308 Norma Mag.

So by all accounts I assume recoil and velocity would compare to a .300 weatherby or Win. Mag. Good to know so as I will not get a case of scope eye. Thanks for the load recipe. I do need to read some on for fire forming since I have never done it. Does Norma or anyone make brass gor it now.
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Unread 02-23-2012, 08:18 PM
Platinum Member
Join Date: Dec 2009
Location: NW MT
Posts: 3,041
Re: .308 Norma Mag.

Norma makes it and the have it at cabela, sinclair
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Unread 02-23-2012, 09:47 PM
Silver Member
Join Date: Apr 2008
Location: Dillon Mt
Posts: 239
Re: .308 Norma Mag.

Up until last month my best loads were with imr4350 and H4831 in 165,180 190 and 200gr bullets, mostly Sierra's, which I quit using just because I would consistently find the jacket and core separated in animals out to 500yds.
I stumbled onto a load with H1000 ,Berger 210's and standard primers. 2928fps from a 26" barrel and groups under 1/8" at times. If you want to shoot far 210's might be something to consider. Cliff
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Unread 02-10-2015, 11:32 PM
Silver Member
Join Date: Jan 2009
Location: MN
Posts: 266
Re: .308 Norma Mag.

Anymore load info on this case. I'm currently running h4831sc with nosler 165 bt in norma case. Really like this round ....would like to run a heavier bullet like the berger 215 hybrid.
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Unread 02-11-2015, 07:20 PM
Silver Member
Join Date: Dec 2005
Location: Good Ol' Oklahoma
Posts: 385
Re: .308 Norma Mag.

I have the 30-338WM which is very similar to the 308 Norma Mag.

Sierra has load data in their manual for the 308 Norma Mag, as does Nosler in theirs (latest editions).

I've had good accuracy and speed in my version using IMR4350, H4831sc and WLR primers.

I believe Norma makes brass for your cartridge.
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Unread 02-11-2015, 10:22 PM
Silver Member
Join Date: Jan 2009
Location: MN
Posts: 266
Re: .308 Norma Mag.

I used the sierra manual for my previous load. Although as posted using norma brass at sierras max load I was over pressure. I dropped down almost three grains from book max... no pressure signs and that was where my accuracy load was. Just looking for info with the heavies and norma brass. Using a no.3 contour bartlien barrel with a vais break for a lighter weight hunting rifle. accuracy load was easy to find with the nosler bt. seems to be a great round so far going to chamber a varmint contour barrel for the heavier bullets next.
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Unread 02-15-2015, 12:14 AM
Bronze Member
Join Date: Feb 2010
Location: About 60 miles from Wyo and Colo
Posts: 94
Re: .308 Norma Mag.

I got a 308 Norma Mag in the 60s before Winchester come out with the 300 Winchester Mag cartridge. The 308 N M has a bit less powder capacity than the 300 WM cartridge case. Back then I developed an accurate reload using 165 grain bullets. I have used the 165 grain bullets to shoot pronghorn, mule deer, and elk. Some years ago I fired three shots to see if the rifle was still sited in and then fired three more rounds to take a pronghorn, mule deer, and elk.. It is a fine big game cartridges but has ben out sold by the 300 Win Mag.
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