The Accurate Reloading Forums
An AR -- in .458 Win Mag
29 October 2014, 18:32
Bill/OregonAn AR -- in .458 Win Mag
Had not seen this.
http://www.petersenshunting.co...ories/nemo-omen-458/
There is hope, even when your brain tells you there isn’t.
– John Green, author
29 October 2014, 18:42
Opus1I would take one...

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Just Remember, We ALL Told You So.
29 October 2014, 19:02
FjoldThat's a culling machine.
Frank
"I don't know what there is about buffalo that frightens me so.....He looks like he hates you personally. He looks like you owe him money."
- Robert Ruark, Horn of the Hunter, 1953
NRA Life, SAF Life, CRPA Life, DRSS lite
29 October 2014, 19:29
ftbtIf it is the same as their .300 Win Mag, it has a unique recoil reduction system that is built into the bolt. Being able to fire those kind of rounds in rapid succession, you have to wonder about barrel life. But, if you can afford that sort of rifle, that is the least of your worries.
29 October 2014, 20:13
Jan DumonI need one , no really , I NEED one
29 October 2014, 20:31
ftbtWell ... a Nemo Omen Watchman in .300 Win Mag is about $6,500.00. I would imagine the .458 will be more. Could it even be imported into RSA?
29 October 2014, 20:43
GeorgeSIt's cool from a novelty perspective, but at 12.4lbs., it's too heavy to hump over hill and dale, although it would be fine for put-and-take hunts.
George
29 October 2014, 21:30
Bill/OregonGeorge: I think it would be the nuts for following a wounded leopard, and especially for a classic Texas swine jihad night hunt!

There is hope, even when your brain tells you there isn’t.
– John Green, author
29 October 2014, 23:02
GrenadierSeveral years ago one of the well known gun writters had a .338 Win Mag Browning BAR rebarreled/converted to .458 Win Mag. His article and the photos were very interesting. I thought it was a great idea. I haven't heard of anyone else doing such a conversion.
Noreen offers big ARs in calibers that include .338 Lapua, a 3.68" long cartridge. Since the Lapua cartridge is based on the .416 Rigby, perhaps that would be doable. And, if a bolt from one of their .300 magnums could be used with the .338 Lapua bolt carrier, maybe they could build an AR for H&H magnum based cartridges. I'd consider buying an AR in .375 H&H.
.
29 October 2014, 23:25
Doglegquote:
Originally posted by Fjold:
That's a culling machine.
Trouble is, how do you/I get it into the countries where it would most useful? This must be what being all dressed up with no place to go feels like.

29 October 2014, 23:27
Doglegquote:
Originally posted by Grenadier:
Several years ago one of the well known gun writters had a .338 Win Mag Browning BAR rebarreled/converted to .458 Win Mag. His article and the photos were very interesting. I thought it was a great idea. I haven't heard of anyone else doing such a conversion.
Noreen offers big ARs in calibers that include .338 Lapua, a 3.68" long cartridge. Since the Lapua cartridge is based on the .416 Rigby, perhaps that would be doable. And, if a bolt from one of their .300 magnums could be used with the .338 Lapua bolt carrier, maybe they could build an AR for H&H magnum based cartridges. I'd consider buying an AR in .375 H&H.
There was a guy up here in Canada that did some BAR conversions. Can't remember his name.
30 October 2014, 02:47
ftbtquote:
Originally posted by Grenadier: ... maybe they could build an AR for H&H magnum based cartridges. I'd consider buying an AR in .375 H&H.
I think the Nemo guys are in upstate Montana. I'm sure if you wiggle enough money under their noses, they could be tempted.
30 October 2014, 02:57
GrandpasezI got 24ga FH(equivalent to 577NE) in a super strong
Auto shotgun frame. Same power as 458.Looks nice. Experimenting.Ed
MZEE WA SIKU
30 October 2014, 04:21
Bill/OregonEd, if you can get .458 performance at shotgun pressures, my hat is off to you!
There is hope, even when your brain tells you there isn’t.
– John Green, author
30 October 2014, 14:03
GrandpasezWe already did with 12ga FH at mag shotshell pressures of 14700 psi.. .
In the 24ga FH not exactly the low shotgun plastic case
pressures, but we load a brass case we make
from 577NE brass to low rifle pressures like the 577NE
factory cases are loaded. 30-35,000 psi.Ed
MZEE WA SIKU