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Thread: .458 socom?

  1. #11
    Grandmaster

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    Quote Originally Posted by cab32 View Post
    The 458 SOCOM Is a fun to shoot cartridge in the AR platform. The recoil is moderately heavy by AR standards and factory ammunition is expensive. It delivers acceptable accuracy and good energy for deer hunting. This along with the large bore hole increases kill efficiency with adequate placement. Reloading helps the cost but has some unique quirks in this round. CAB
    Welcome to Ingo!
    That is a great first post. Looking forward to reading more of your musings.

    Would you mind extrapolating on the reloading quirks you speak of regarding the .458 SOCOM?
    NRA Instructor/Dormant U.S.Marine/ NRA Benefactor-Life

  2. #12
    Marksman

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    I love the .458 socom. I built an AR awhile back. Then I built a bolt action to take to Canada to hunt bear. I shot a 350 lb black bear and it didnít go far. There is a thread about that trip around here somewhere. I love shooting it and it is what I use for firearms season in Indiana. I reload, which is a good idea if you get into this caliber.

  3. #13
    Plinker

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    Quote Originally Posted by Mgderf View Post
    Welcome to Ingo!
    That is a great first post. Looking forward to reading more of your musings.

    Would you mind extrapolating on the reloading quirks you speak of regarding the .458 SOCOM?
    Thank you.
    My 458 is a home build on an Anderson lower using an aeroprecision 458 upper receiver and a Tromix barrel so it may be that my initial problems with reloading for it have something to do with my build. Most of my dies are Lee so I naturally got Lee dies to reload the 458. and used the supplied Lee shell holder. Initially, I could not get the shoulder resized far enough with my set up and most of the rounds jammed, so I skimmed a few thousands off the top of the shell holder and that solved the jamming problem, I was using relatively soft plated bullets for plinking loads and these required using the expander die however the thin walls of the case combined with the shape of the Lee powder thru expander caused bulging of the neck at the junction with the case shoulder and again jams increased. This problem was eliminated by using a lyman M die. The bullets had a flat non-beveled base which tended to tip and make the neck asymmetric. This problem was solved by using a Hornady seater die which has a floating sleeve and is a superior set up for keeping the bullets in alignment. Finally uniformity and therefore reliability of my hand loads improved with the addition of a lee factory crimp die to remove the expanded area of the neck. So after years of using mostly Lee dies, I am loading the 458 with a Lee sizer with modified shell holder, Lyman M die, Hornady seater and finishing with a lee factory crimp. The plus is that the hornady seater is so much better in design, and not very expensive that I am beginning to use them for seating in other rifle cartridges. CAB

  4. #14
    Sharpshooter dak109's Avatar

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    IMHO it is too much gun for whitetail. I shot one deer with it last season and had to throw away both front legs. Yes shot placement was a bit more forward than I prefer.
    Hand loaded 325gr Hornady's were devastating. Accurate as all get out from the bench. There is a learning curve when loading them. I had a bunch that I crushed the shoulder on. I will be looking into the above mentioned dies.
    i went back to the 44 mag. And will be playing around with the 357 mag also this year.
    Just because you are paranoid doesn't mean nobody is out to get you.

  5. #15
    Expert midget's Avatar

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    I took my largest buck to date with a 458 socom. Subsonic 500gr load. It decimated the chest, the heart was destroyed and the lugs were jelly. This being said, the deer still ran for a bit. Shot placement is key, but sometimes freak things happen.
    If you are interested in competitive pistol shooting, www.facebook.com/fwuspsa

  6. #16
    Marksman

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    I have been deer hunting with a 458 SOCOM since pistol caliber rifle rounds were introduced in Indiana. I had a 16" Rock River Arms upper. It ran just fine and was capable of sub-MOA 3 shot groups at 100 yards. I ended up getting rid of that upper and built a 10.5" 458 SOCOM upper using a Southern Ballistic Research (SBR) barrel. That upper actually shoots better than my 16" upper did! I hunt both public and private land and never have shots over 150 yards. So the trajectory of this round is good enough for me. I am utilizing 300 JHP bullets for the majority of my hunting. They are cheap and they work. I have an amazingly handy little rifle that doesn't kick more than a 20 gauge shotgun and is super easy to hike with. It may be a little to much gun as others have stated. But it works and it works well.

  7. #17
    Marksman

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    Quote Originally Posted by gunselman View Post
    I have been deer hunting with a 458 SOCOM since pistol caliber rifle rounds were introduced in Indiana. I had a 16" Rock River Arms upper. It ran just fine and was capable of sub-MOA 3 shot groups at 100 yards. I ended up getting rid of that upper and built a 10.5" 458 SOCOM upper using a Southern Ballistic Research (SBR) barrel. That upper actually shoots better than my 16" upper did! I hunt both public and private land and never have shots over 150 yards. So the trajectory of this round is good enough for me. I am utilizing 300 JHP bullets for the majority of my hunting. They are cheap and they work. I have an amazingly handy little rifle that doesn't kick more than a 20 gauge shotgun and is super easy to hike with. It may be a little to much gun as others have stated. But it works and it works well.

    i have the full length upper from sbr. Recoil is definitely there, what type of stock do you have? I have the basic cheapo 6 position from psa

  8. #18
    Marksman

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    Quote Originally Posted by cg21 View Post
    i have the full length upper from sbr. Recoil is definitely there, what type of stock do you have? I have the basic cheapo 6 position from psa
    I use a Magpul UBR.

    I have heard horror stories about cheap stocks collapsing under the recoil of the 458; this isn't something i wanted to deal with. The UBR while heavy in weight does help balance out a 458 SOCOM AR. My 16" RRA was front heavy when i had my Magpul CTR on it. The switch to a UBR really helped with balance in the hands.

  9. #19
    Grandmaster ghuns's Avatar

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    Love mine. Like others have said, it's deer hammer.

    Right after I built mine, my son shot a little 4 point during youth season. Shot was at about 75 yards. Deer was quartering towards us. Hornady 300 grain HP entered just in front of the right should, traversed the entire length of its body, and came to rest just under the skin on the left rump. That deer took about 3 steps. When I opened it up, just about everything inside was jello. Recovered bullet weighed 285 grains.
    Necessity is the argument of tyrants; it is the creed of slaves.

  10. #20
    Marksman

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    The sbr brand upper is really light even rifle length. Will begin my search for a stock I am thinking fixed stock is going to be best.

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