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Looking for input on a 8mm

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d4570 View Drop Down
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    Posted: 18 August 2019 at 14:56
8mm Remington Magnum.
17,204,223,243/6mm, and 45/70
I have nothing in-between .
30 calibers, 270's, and the current hot shot 6.5's are boring to me for what ever reason.
I think I NEED a larger game caliber.
Boy and his wife have most every thing up to 458.
BUT no 8mm.
Humm sounds like I NEED to fill that hole.
What about a 8mm Remington Magnum?
I looked at brass and it is out of sight.
But it looks like 7mm mag or 375 H&H brass is more in line and not to hard to rework.
I have a 7mm mouser action in a stock,I could get for the asking and do a barrel. The more I reed the more I feel the need for a 8mm Remington Magnum.
Any real time experience or first hand knowledge?
Anything that can send a 220gr bullet out the end of a 24" barrel at over 3500 fps has my attention for sure...  Clap


Edited by d4570 - 18 August 2019 at 15:00
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsgbearpaws1 Quote  Post ReplyReply Direct Link To This Post Posted: 18 August 2019 at 15:24
Well...there is always the 338-378 or the 338 Lapua. Both will send a 250 gr. boolit that fast. 8mm has relatively few projectiles available compared to the others and generally cost a bit more. 35 Whelen if you want to stick with that donor action. Never understood why the 8/32 has never gotten any glitz.
...oh yeah! thats gonna hurt!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote d4570 Quote  Post ReplyReply Direct Link To This Post Posted: 18 August 2019 at 15:30
The D-I-L uses a 338/378 a lot , the boy has the 338 hole pleasantly full.
IF I get something it'll have to be DIFFERENT .
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RobertMT Quote  Post ReplyReply Direct Link To This Post Posted: 18 August 2019 at 16:06
A WW2 vet my Dad used to hunt with, took a Mauser (bring back) and rechambered it to 8mm/06. He killed a lot of elk and deer with it. Used to be a popular conversion, but isn't popular anymore.
It would be different and because it's based on /06 case, it wouldn't require, bolt face opening or feed rail modification. You could even do AI version, if you wanted really different. More than likely 7mm Mauser action, you have access to is 7x57 and would have smaller bolt face and shorter action, than 8mm mag requires.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BEAR Quote  Post ReplyReply Direct Link To This Post Posted: 18 August 2019 at 17:04
Yep the 8 rem mag needs a very long action.   a Enfield P14 would work; but I think the usual 7x57 mauser action is a little small with any larger bullet.  length=3.60

A good cartridge.  I use my 8x57 for bear.  if you can find Norma Vulcan bullets 1,96 grains are very accurate for me.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MtElkHunter Quote  Post ReplyReply Direct Link To This Post Posted: 19 August 2019 at 14:23
I have some experience with 8mm's. The 8mm mag is a long case and you can make them out of 300 H&H etc but I don't think it is really worth the effort. Years ago I bought a sporterized 8mm Mauser for my son to hunt with. He was very hard on gun and hunting equipment and I did not want to spend a lot of money so I found this Mauser that someone has started as a project and did not finish. I finished the gun out and it turned out pretty nice. I bought some factory ammo for it and was not impressed at all. It was very weak and shot like crap. Next step I got some brass and dies and started working up a good load. The only bullets I could find was 175 grain sierra's so that is what I went with. After some paying around I was able to get about 2500-2600 FPS out of the 175's and groups about 2". Not great but not bad for a old military gun.
 
I gave that the my son to hunt with and that combination turned out to be one of the best I have ever seen. He shot deer, antelope and elk and almost all of them were one shot kills. That 8mm 175 sierra was just plain deadly, from 30 yards on an elk to 400 it just worked perfectly every time. That bullet at that velocity was a consistent a killer as I have ever seen. We recovered about half of the bullets and all (every single one) was expanded perfectly. I cannot say that with any other gun/load I have had with the exception of my 338 WM and 250 grain partitions, but to be fair I have only recover one of those.
If I wanted a 8mm I would go with a 8mm/06 because brass is cheap and easy to form and you can get 2600-2700 with out pushing it.  I cannot say enough about the 175 sierra in the 8mm it is just about as good as it gets.
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote d4570 Quote  Post ReplyReply Direct Link To This Post Posted: 19 August 2019 at 14:37
I think I like the idea of the BIG 375 case of the rem mag.
200 gr bullets in a 26" barrel should brake  3000 .
Everyone that has had hands on time with the big 8 sing it's parses.
The donor rifle is an Interarms 7mm mag and is the BIG Mauser action. The barrel is shot out but has a very descent stock.


Edited by d4570 - 19 August 2019 at 14:37
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BEAR Quote  Post ReplyReply Direct Link To This Post Posted: 19 August 2019 at 15:12
good action.
nothing wrong with the 8 rem Magnum.

Might want to consider the 350 Norma or the 338 Lapua, also.

Might look to an ancient but classic 8 mag, the  8×68mm S.  Factory ammo gives 3,200 fps with a 181 bullet.  I've hunter with one (double set triggers) and a rotary magazine, very nice.  No belt easy feeding.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsgbearpaws1 Quote  Post ReplyReply Direct Link To This Post Posted: 19 August 2019 at 15:36
Since the barrel is gone anyway, may as well just do the bolt face and go big. Slap in for the ole' 404 Jeffrey and cut and neck to 8mm. Should be able to get 3500 with the big Boolits with that and still stay in the action length. Dies won't be cheap though...
...oh yeah! thats gonna hurt!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RobertMT Quote  Post ReplyReply Direct Link To This Post Posted: 19 August 2019 at 17:41
I say, if you want 8mag go for it. They have better priced brass for it. https://www.grafs.com/retail/catalog/product/productId/71173 not really that high.
Myself, I'd buy the nosler loaded ammo, for about the same price, as their brass, to get once my fired. I hate paying that much for brass, but sometimes it's cheaper to start with good brass.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsgbearpaws1 Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 03:32
I'm sure Hubel has some old 50 BMG cases sitting around you could neck down! Maybe even some 12 ga. brass!

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Post Options Post Options   Thanks (0) Thanks(0)   Quote BEAR Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 08:59
To fill the bill you might consider a bigger bullet.  thinking 9.3mm (a close 375).  it is a classic cartridge; sort of a '06 case but with a 366 bullet ,  about 286 grain.  perfect for moose, elk, cape buffalo and elephant.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote d4570 Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 15:28
That was a thought too.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsgbearpaws1 Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 16:42
But sticking with the action, will the 8mm mag even fit? I haven't actually looked at that cartridge in a very long time. As I recall it took a magnum length and the old Mausers I believe are a bit short. I noticed we all are avoiding the elephant in the room of the .325 Win. Curious. Forgotten also are the Jap WW2 cartridges. Many of them would fit the bill as well. Loading is the only way to go for those though. If it is a full magnum length, how about a wildcat? 8-378, VLD game getters, big, heavy expandables at high speed? Be on par with the 338-378 for speed and weight but with a better BC and range.
...oh yeah! thats gonna hurt!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Irish Bird Dog Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 16:59
no advice here but let us know what you settle on building.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote d4570 Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 17:14
It's a 7mm mag action now and the 7mm uses a full length 375 H&H case, the 8mm rem mag is a full length 375 H&H case should be the same just different chamber and barrel bore. A 8mm rem mag is a much larger case then a 8mm Mauser round.
 We have a 338 /378 now looking for a bit more unique .
I do not like the looks or anything about any of the WSM line.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsgbearpaws1 Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 17:34
...oh yeah! thats gonna hurt!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RobertMT Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 17:48
Originally posted by d4570 d4570 wrote:



It's a 7mm mag action now and the 7mm uses a full length 375 H&H case, the 8mm rem mag is a full length 375 H&H case should be the same just different chamber and barrel bore. A 8mm rem mag is a much larger case then a 8mm Mauser round.
 We have a 338 /378 now looking for a bit more unique .
I do not like the looks or anything about any of the WSM line.



Is it a 7mm rem mag or a 7mm STW?

7mm rem mag uses 2.50" case, for 3.29" COAL, 7mm STW, 375 H&H, and 8mm rem mag use 2.85" case, for 3.60" COAL.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote d4570 Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 18:14
HUMMM
It's the boys gun he was the one that was telling me it's the big case ???
I don't know for absolute , he reloads for it.
I do know It was an outstanding shooter when he got it used.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsgbearpaws1 Quote  Post ReplyReply Direct Link To This Post Posted: 20 August 2019 at 19:10
If it's the STW that would explain the barrel life issue quick! Notoriously accurate and all you need for most anything out your way, sadly short barrel life. They can send a round pretty darn quick!

If it is the H&H parent, simply going back to the .375 is a great option. Thors hammer and manageable recoil....it's the all around big game getter. Bears Euro option is right in there as well.
...oh yeah! thats gonna hurt!
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