rebarreling to .458 socom


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paintballdude902
March 23, 2010, 01:56 AM
anyone rebarreled a bolt action rifle to .458 socom?

i was reading up on it and just as a toy i want to. my understanding is that the 8mm mauser round shares a common bolt face size.


walk me through the complexities

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Triphammer
March 23, 2010, 02:06 AM
In that case then so does 30-06, 308. 45 ACP, & dozens of others. What's a 458 socom?

ETA;
Just did some checking. Found it to be the same diameter body as the 50 AE but a rim rebated to '06 size. Looks like a medium lengtn action for a 308 or 243 could be used the make a short light big bore.

Wingnut13
March 23, 2010, 02:25 AM
I've been on the fence between the .458 and the 300 fireball. I ended up deciding on the 300 because of the ease of brass collection.

What is a .458 Socom? It's a .45-70 in a autoloading case.... fits right into a standard AR mag as well. Pretty cool cartridge anyways.

I'll be interested in seeing what you come up with in re-barreling a rifle.

jmorris
March 23, 2010, 09:07 AM
I have a suppressed AR in 458 and always thought a turn bolt would be neat too.

paintballdude902
March 23, 2010, 01:58 PM
i want a nice powerful rifle for bear that i can toss in the stuck. .458 sounds perfect to me since it has pretty much the same power as a .45-70 and uses the same rim size as an 06 and .308.

i was thinking about converting either a VZ-24 or a yugo 24/47. both are readily available and cheap.

wingnut ive actually been looking at the .30 fireball but the .458 just seems more practical for my needs. i have many rifles that are great for deer and smaller but really i only have the 30-06 that i trust for large black bears and its still a big thing to be chasing dogs with.

anyone have any figures on how fast a 300gr .458 would leave an 18inch barrel? i think i would top it off with a low magnification scope since the original sights would be gone with the barrels

dom1104
March 23, 2010, 02:03 PM
The .458 SOCOM was made to be an AR-15 upper, and the round is designed to fit into a standard AR 15 magazine.

Its not a overly impressive bolt gun cartridge I dont think.

the brass is SUPER expensive, and if you dont live in Indiana where it is one of the few rounds that fit the hunting regulations.....

Jim Watson
March 23, 2010, 05:04 PM
I don't know about the heavily rebated rim feeding in a bolt gun.

How about a nice .450 Marlin or .458 x 2" American with belted magnum rims?

jmorris
March 23, 2010, 10:48 PM
anyone have any figures on how fast a 300gr .458 would leave an 18inch barrel?

My 405's exit a 16" at just shy of 1700 fps. You can go a little hotter in a bolt gun as the semiauto is pretty hard on the rim.


If it's just a truck gun get a lever 45-70 and call it a day. FWIW you can hand load a 45-70 in a marlin rifle and be right at the .450 marlin, if you have a ruger #1 you can knock on the door of the 458 win mag. All factory 45-70 is downloaded a bunch because there are so many old rilfes out there. All the 450 marlin does is make factory ammo that is the same as you can safely load in 45-70 out of the same gun. The only reason the case is different is so someone doesn't blow up an old gun.

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