New Underwood ammo a 65gr 357 Sig offering, velocity 2100 FPS!

Discussion in 'Caliber Corner' started by Railsplitter, Mar 10, 2017.

  1. Variable556

    Variable556

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    When I first started shooting 357 Sig I was shooting a buddies G32. I was carrying an FN FNX45T, and wasn’t interested in 357 at all. He said the Sig was getting through 3a easy with the Underwood ammo, so (even though I’m usually skeptical of boutique wonder bullets) I ordered some different loads out of curiosity.

    We bought different 3a panels and shot them with 357 Mag and 357 Sig loads. 357 Mag (forget which Lehigh bullet) only reliably penetrated 3a from my 4” 686. I have a 2” Kimber K6sLG, and it only penetrated 3a half the time. My buddies G32 with the 65gr XD sailed through every panel we could find easily though.

    I was skeptical about whether it would perform on meat like it does in gel, so we then bought pork ribs and pork shoulder. We shot the 65gr XD through a stack comprised of 3a panel—>pork rib—>pork shoulder—>pork rib. It penetrated all the way through easily. I ordered a G32.4 and a lot more 65gr XD that evening. I ditched everything else, and it’s all I’ve carried (off duty only, have to use G19M on duty) since.

    He has most of the pics, but here is the inside of the pork shoulder from that shot. It centered the bone, and pretty much grenaded the inside of the shoulder:

    exit from rear of shoulder with thumb for scale:
    6A71DE9F-49EA-406B-89A7-A427486C7858.jpeg

    took off a layer:
    94853A6B-533F-47C3-9F08-A7B195F6E301.jpeg

    Inside of shoulder could practically be turned inside out:
    CA0F2BB7-26B6-46ED-B66C-6501FB8096E8.jpeg


    I kind of wish we had videoed the G32 test on 3a and pork, but I guess it doesn’t matter. People would likely argue till the cows come home. I saw enough to convince me, and I don’t much care for all the caliber wars stuff anyway.lol

    That’s why I’m building a Sig-a-tized G35.4 with a 5.8” KKM barrel now.:)

    Lehigh got my account sorted out, so I ordered a batch of machined 65gr XD’s and some stamped (stamped/punched/drawn/die formed, whateva) 90gr “FTM-EXD” bullets to try loads with. I’m waiting on the stamped 65gr XD’s, but in the interim I wanted to see their first stamped bullets. I’ve noticed their new stamped bullets appear to be a different color, and while there are lots of various reasons why that may be, I’m wondering if they went to a softer copper for stamping. I also wonder if stamping may have work hardened the bullets.
     
  2. Railsplitter

    Railsplitter

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    I'm on the same page with the longer barrels. I have a 5 inch threaded LW barrel and a 6 inch LW barrel for my G31.These not only give the already ultra fast Underwood XDs even more velocity but also give common Speer GDs and HSTs magnum power. Longer barrels are the safe easy way to crank up the velocity.
     
    Last edited: Feb 25, 2020
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  3. 9mm +p+

    9mm +p+

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    My gen 4 35 has a KKM 5.3 barrel, I love that setup. Laser accurate and hits so very hard. I chronoed Underwoods 125 gold dots, 1600ish. I have a stash of the 65s, never shot any though.
     
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  4. Railsplitter

    Railsplitter

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    You will find when you shoot them that they have rifle velocity, more power than the classic 357 Magnum and with less recoil than a 9mm. It's called win win!
     
  5. 9mm +p+

    9mm +p+

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    357 SIG recoil has never bothered me, kind of like a hot 9mm to me. Very easy to shoot. I only have a few boxes, might have to order a few more and try them out in my 32 and 35.
     
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  6. Railsplitter

    Railsplitter

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    Also don't forget their 90gr XDs at 1700 fps just for a little variety.
     
  7. George Kaplan

    George Kaplan emeritus

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    I’m holding off for the 15 grain at 9000 FPS.
     
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  8. fredj338

    fredj338

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    I am holding out for no bullet just a blast of hot air that creates a massive energy dump on my target.:chatter:
     
  9. Variable556

    Variable556

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    Pifle pew seeds are here

    03FAD5DE-F472-4133-8645-4843EDCBB144.jpeg
     
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  10. Railsplitter

    Railsplitter

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    Are those the stamped or machined?
     
  11. Variable556

    Variable556

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    Both. 65gr machined on left, and 90gr stamped on the right side of pic.

    more pics in same order:

    A155AC17-B6E4-48B1-9FA1-F662C24E2648.jpeg 3D97AB9B-784F-46F8-8CC3-12E4D9822932.jpeg
    146BC870-F55D-4D19-ABD9-8F8C3EA6DD6E.jpeg
     
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  12. Railsplitter

    Railsplitter

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    Hard to see from the picture but does the stamped bullet have a thicker frontal area and scalloped dividing walls?
     
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  13. Variable556

    Variable556

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    The little boogers are shiny and hard to see right with my old eyes, but yes the 90gr looks a little thicker.

    trying some zooom.
    669B0BDC-09C7-43B8-A773-1A3252129B17.jpeg

    edit to add another pic:

    tried to shade them and lose some of the shine. Grainy/blurry, but hopefully you can see the difference a little more clearly.

    7C457EF2-57FC-4193-A0B7-39376432E16B.jpeg

    another crappy attempt:
    A7E6D14C-3E73-45D7-8B85-6363F33E8545.jpeg
     
    Last edited: Feb 26, 2020
  14. Railsplitter

    Railsplitter

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    Yes the two areas are thicker doubt that will affect performance however and the up side is cheaper ammo. Can't see a color difference in these pics.
     
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  15. Variable556

    Variable556

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    agreed, slightly thicker, but not much.

    color: Yeah, in person under the same lighting they appear to be almost identical in shade. The stamped ones do seem to have a slightly more “rose” color to them if you look really hard under some light. I’m having a hard time picking it up in a pic with my phone though. It’s a pretty subtle shade difference, and they’re too dang shiny for good pics.lol

    65349337-9218-4543-9DF6-BDE81850F470.jpeg
     
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  16. George Kaplan

    George Kaplan emeritus

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    I'd put those in my toolbox with the rest of the screwdrivers.
     
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  17. 9mm +p+

    9mm +p+

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    Your emoji is funny, exactly how I feel about most of your posts here on the caliber corner...
     
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  18. fredj338

    fredj338

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    Thats good 9, put me on ignore, like rail, you dont really want to actually learn anything.:drowning:
     
  19. Railsplitter

    Railsplitter

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    This same bullet in used in 9mm, .380 and 357 Sig so I can understand why it is the first stamped round to be produced. Any ideal when any of the other calibers will get the stamped treatment?
     
  20. Variable556

    Variable556

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    According to the email that Underwood sent out on January 2nd, the 65gr is next:

    “Work has already begun on a .355 diameter 65gr FTM®-EXD bullet, which we expect to be released in the summer of 2020.”

    I’m guessing Lehigh is probably going in the order of popularity, that way they can better catch up with demand. Just a guess on my part though. If the 65 grainer ends up behaving very similarly to the machined version (I have no particular reason to believe it won’t yet), then I’ll be very happy to buy it for about half the cost of the machined version.:)
     
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