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Old 11-29-2017, 10:02 AM   #1
BLACKFINTURKEY
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Default 458 socom

Alright guys I have a 458 socom goodie bag on the way. I have a 16Ē radical arms barrel and matched bolt along with a milled upper for the bigger cases should receive it in the next couple of days.

Iím looking for any info on this caliber. Good or bad. Load data. Success stories. Anything is appreciated.
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Old 11-29-2017, 10:36 AM   #2
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Make sure to choose bullets designed for the .458 Socom, or .45-70......not the .458 winmag.

In other words....match your performance window.
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Old 11-29-2017, 03:53 PM   #3
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Make sure to choose bullets designed for the .458 Socom, or .45-70......not the .458 winmag.

In other words....match your performance window.
Thanks Iíll be using the hornady hollow points or flex tip bullets. I also found a good deal on Winchester ballistic tips factory 2nds for 11$ per 50.
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Old 11-29-2017, 03:55 PM   #4
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Alright guys I have a 458 socom goodie bag on the way. I have a 16Ē radical arms barrel and matched bolt along with a milled upper for the bigger cases should receive it in the next couple of days.

Iím looking for any info on this caliber. Good or bad. Load data. Success stories. Anything is appreciated.
What did this setup run you?
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Old 11-29-2017, 03:57 PM   #5
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Barrel and bcg 179.99 on sale Black Friday but is still on sale today. Miller upper was 80. Plus a standard upper parts kit and carbine gas system.
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Old 11-29-2017, 04:00 PM   #6
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http://458socomforums.com

Everything you want to know is here.
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Old 12-04-2017, 07:55 AM   #7
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I really like my 458 Socom, bought mine Joe Bob outfitters.
The ammo is expensive, I may have to reload my own.
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Old 12-04-2017, 09:06 AM   #8
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I have been considering a 458 SOCOM. I originally was thinking a 50 Beowulf, but then saw the ballistics of the 450 Bushmaster, 458 SOCOM and the 50 Beowulf. The 450 Bushmaster and 50 Beowulf are identical at the muzzle. but by 25 yards, there is a bit of a difference and it just keeps getting greater as the range increases. At 100 yards, there is a very noticeable difference in velocity between the two. That's those two, that start out identical. The 458 SOCOM from what I am seeing, is anothr 200 fps faster at the muzzle with the same 300 grain bullet weight.

But I have not found any 458 SOCOM barrels, only 450 Bushmaster and 50 Beowulf barrels. I am trying to learn as much as possible about each of the three and then where to get barrels. I would really like to find a 458 SOCOM barrel.
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Old 12-04-2017, 09:08 AM   #9
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Barrel and bcg 179.99 on sale Black Friday but is still on sale today. Miller upper was 80. Plus a standard upper parts kit and carbine gas system.
So who has the barrel on sale, is it Radical Arms?
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Old 12-04-2017, 10:31 AM   #10
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So who has the barrel on sale, is it Radical Arms?
Sorry it was at primary arms.
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Old 12-05-2017, 01:48 PM   #11
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Xcalibur ammo is the cheapest factory ammo I could find for my .458, 300 or 325gr hornady slug shot great, very accurate. I shot it until I bought the tool head for my buddies press and he loads for me now. Now shoot the 325gr hornady ftx and it will touch holes at 100yds with just a 6x. No load development, he did some research and said that was the best bet for accuracy without devloping loads. Its a pig gun so it doesn't have to be same hole. 325gr at 1800fps should take care of just about anything. And went from 2-3$ a bullet to .60 a bullet. COLLECT THE BRASS. It's **** expensive too. Rock river LAR-458 X1, it's a beast for sure.
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Old 12-05-2017, 04:13 PM   #12
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Thanks Iíll be using the hornady hollow points or flex tip bullets. I also found a good deal on Winchester ballistic tips factory 2nds for 11$ per 50.


The FTX rounds will work but not sure about the hollow points.

Barnes has a 300 grain TTSX Bullet that was designed specifically for the 458 Socom. I shot a boar with one a couple weeks ago and oooffff it was brutal.


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Old 12-05-2017, 08:31 PM   #13
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Quote:
Originally Posted by BLACKFINTURKEY View Post
Alright guys I have a 458 socom goodie bag on the way. I have a 16” radical arms barrel and matched bolt along with a milled upper for the bigger cases should receive it in the next couple of days.

I’m looking for any info on this caliber. Good or bad. Load data. Success stories. Anything is appreciated.
i have had mine about a month and a half, maybe... i like it!! basically a 45-70 semi auto,,, i did shot a doe a couple weeks ago with it,,, glad it was a head shot!


the hollow point is the same bullet used in the 45-70,, it is devastating ,,,, both the 50 beowulf and 450 bushmaster use handgun bullets, the socom uses rifle bullets,

there is the real difference in how well the three perform on targets

Last edited by xman59; 12-05-2017 at 08:38 PM..
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Old 01-12-2018, 08:09 PM   #14
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Well I final got the socom almost fully put together, all I’m missing is the brake and dust cover. I mounted a vortex strike eagle 1-6x24 on it and got it sighted in today, let me tell you without a brake this thing kicks! I’m running 29 grains of lil gun under a 325 grain hornady FTX at around 1850-1900 FPS. Accuracy wasn’t really great but I wasn’t shooting the best I could. Right now I’m in a tripod waiting for some hogs!
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Old 01-13-2018, 02:24 AM   #15
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Quote:
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Well I final got the socom almost fully put together, all Iím missing is the brake and dust cover. I mounted a vortex strike eagle 1-6x24 on it and got it sighted in today, let me tell you without a brake this thing kicks! Iím running 29 grains of lil gun under a 325 grain hornady FTX at around 1850-1900 FPS. Accuracy wasnít really great but I wasnít shooting the best I could. Right now Iím in a tripod waiting for some hogs!
I have the same barrel and the same problem with what to screw on the end of the barrel. Like you probably found also, there are not many options for the 5/8"-32 thread used on that muzzle. I looked up 5/8"-32 tap and found a couple of them. I am going to order one and experiment with making some different design muzzle breaks and then make a cap for the threads. I have wanted to experiment with different muzzle break designs, now I finally have a good candidate to experiment with.

I am going to try some 300 gr. 350 gr. then some 400 gr. and 405 gr. bullets. I am curious how well it will do with the heavier bullets. The 405 gr. bullets are hard lead alloy bullets. I have not shot any lead bullets in many years. But the lead alloy bullets will keep the pressures down and possibly allow a little higher velocities. I am looking forward to shooting this gun, I have not had a big bore gun in many years, nothing like this thing before.
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Old 01-13-2018, 02:37 AM   #16
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Quote:
Originally Posted by RifleBowPistol View Post
I have the same barrel and the same problem with what to screw on the end of the barrel. Like you probably found also, there are not many options for the 5/8"-32 thread used on that muzzle. I looked up 5/8"-32 tap and found a couple of them. I am going to order one and experiment with making some different design muzzle breaks and then make a cap for the threads. I have wanted to experiment with different muzzle break designs, now I finally have a good candidate to experiment with.

I am going to try some 300 gr. 350 gr. then some 400 gr. and 405 gr. bullets. I am curious how well it will do with the heavier bullets. The 405 gr. bullets are hard lead alloy bullets. I have not shot any lead bullets in many years. But the lead alloy bullets will keep the pressures down and possibly allow a little higher velocities. I am looking forward to shooting this gun, I have not had a big bore gun in many years, nothing like this thing before.
I ordered the panzer style brake from radical arms it was 80$ shipped. Iím interested to see what you come up with for yours. I plan on playing with a few different bullets in mine as well, the FTX are pretty pricey but look very promising. I recovered a slug out of my dirt mound and it was a very good mushroom that measured 1.15Ē in diameter and weighed 275 grains.
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Old 01-13-2018, 10:00 AM   #17
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Pigs donít like the 458 Socom. Iíve shot them with the 300 grain Barnes TTSX and 500 grain subsonics.

Mine is a SBR with a muffler on it.






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Old 01-13-2018, 10:32 AM   #18
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Quote:
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I ordered the panzer style brake from radical arms it was 80$ shipped. Iím interested to see what you come up with for yours. I plan on playing with a few different bullets in mine as well, the FTX are pretty pricey but look very promising. I recovered a slug out of my dirt mound and it was a very good mushroom that measured 1.15Ē in diameter and weighed 275 grains.
I have seen those breaks, I have found maybe four or five different breaks for that thread pitch. I talked to a buddy, he asked why I did not just make my own. I had thought about it, but figured that finding a tap would be impossible, then I can not cut threads with my lathe, so I would have to have a tap. I found a tap, after my buddy brought the subject up. When I get the time I am going to see what I can come up with. I need to order a couple more parts and it will be done. I have brass ordered. I need to get some dies, bullets, then some powder. I think the only powder I have that there may be loads for, is H110. I thought I was going to buy a box or two of about three different factory loads. Have fun shooting those, get and idea of what different bullets can do, then use the brass to load some ammo. But then I saw the price of the ammo and that they are only 20 round boxes, I assumed they were 50 round boxes.

Interesting info on the bullet expansion, sounds like it will do a lot of damage.
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Old 01-13-2018, 07:04 PM   #19
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Quote:
Originally Posted by Mike D View Post
Pigs donít like the 458 Socom. Iíve shot them with the 300 grain Barnes TTSX and 500 grain subsonics.

Mine is a SBR with a muffler on it.






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What suppressor are you running? What caliber can is it?


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Old 01-13-2018, 07:16 PM   #20
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What suppressor are you running? What caliber can is it?


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Crux ARK45.

I run the same can on my 450 Marlin and my 460 Rowland Glock 21 long slide.





The can is rated up to a 416 Cheytac.


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Old 01-13-2018, 07:43 PM   #21
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My current issue is I canít seem to get it to feed reliable with more than 3 rounds in the mag. Iíve tried 2 different plastic pmags and 1 metal pmag with the best result using my 6.5grendel magazine.
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Old 01-13-2018, 08:45 PM   #22
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Quote:
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My current issue is I canít seem to get it to feed reliable with more than 3 rounds in the mag. Iíve tried 2 different plastic pmags and 1 metal pmag with the best result using my 6.5grendel magazine.


Get you some lancer A5 mags. That is the recommended mag for the Socom round.


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Old 01-13-2018, 09:49 PM   #23
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Get you some lancer A5 mags. That is the recommended mag for the Socom round.


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Thatís the plan. Just need to order a few. If that doesnít work I think Iíll need a heavier buffer/spring.
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Old 01-14-2018, 10:42 PM   #24
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Thatís the plan. Just need to order a few. If that doesnít work I think Iíll need a heavier buffer/spring.


Go ahead and spend the $$ and get one of Clintís buffers from heavy buffers.com.

Mine runs flawlessly.


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Old 01-15-2018, 11:07 PM   #25
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Thatís the plan. Just need to order a few. If that doesnít work I think Iíll need a heavier buffer/spring.
I already did that. I bought a JP Enterprises heavy duty buffer kit, with the assorted springs for another gun. Wound up using one of the lighter springs. I knew I should get either a adjustable gas block or another JP Enterprises buffer and experiment with the springs. The only gas block I found with a .936" bore, was something like $280. I decided getting another JP Enterprises buffer and start off with one of the heavier springs was the way to go. So that's how I have the gun set up now. I need to get a trigger for it and see how it shoots. I want to try a CMC trigger, I have tried a few at guns shows, they seem pretty good and not bad pricing. From what I have read so far, a stronger buffer springs seems to be a must for the 458 SOCOM. I have read that because of the stronger buffer spring required, it is not recommended to drop the bolt, with only one round in the mag. That with the lower resistance with on one round in the mag, it might slam fire, because of the stronger buffer spring. So I am thinking, I am probably also going to look for some titanium firing pins. They are supposed to help prevent slam fires. I have been wanting some for a couple of other rifles, so I may just buy three or four of them. A buddy of mine found some very cheap a while back, I should have bought some.
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Old 01-15-2018, 11:15 PM   #26
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I already did that. I bought a JP Enterprises heavy duty buffer kit, with the assorted springs for another gun. Wound up using one of the lighter springs. I knew I should get either a adjustable gas block or another JP Enterprises buffer and experiment with the springs. The only gas block I found with a .936" bore, was something like $280. I decided getting another JP Enterprises buffer and start off with one of the heavier springs was the way to go. So that's how I have the gun set up now. I need to get a trigger for it and see how it shoots. I want to try a CMC trigger, I have tried a few at guns shows, they seem pretty good and not bad pricing. From what I have read so far, a stronger buffer springs seems to be a must for the 458 SOCOM. I have read that because of the stronger buffer spring required, it is not recommended to drop the bolt, with only one round in the mag. That with the lower resistance with on one round in the mag, it might slam fire, because of the stronger buffer spring. So I am thinking, I am probably also going to look for some titanium firing pins. They are supposed to help prevent slam fires. I have been wanting some for a couple of other rifles, so I may just buy three or four of them. A buddy of mine found some very cheap a while back, I should have bought some.
I run cmc triggers in almost all my ars for the money I donít think there is a better trigger out there. I plan on upgrading my buffer and spring later on. As far as the slam fires go I have never heard of that, but itís definitely something Iíll look into. In the short furture Iím hoping to get a nice can to run on mine either the silencer co hybrid of crux.
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