5.7x28 What's it good for?

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  • General Zod

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    Sep 29, 2012
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    Kaufman County
    Evewryone I knew who fought in Korea thought the .30 carbine round was worthless.

    I learned to shoot rifles with my dad's .30 cal M1 carbine. The first time I shot it I put four rounds of surplus FMJ ball ammo through an eight inch thick oak tree. This was around 1986, with ammo that was loaded in 1950.

    I think the experience in Korea had a lot to do with conditions there, including the cold. I've heard a lot of accounts of men being shot and continuing to fight because the cold sealed up the wounds. Once they warmed up, they'd bleed out.
     

    zackmars

    Beretta fanboy
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    Nov 4, 2015
    3,217
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    Texas
    I learned to shoot rifles with my dad's .30 cal M1 carbine. The first time I shot it I put four rounds of surplus FMJ ball ammo through an eight inch thick oak tree. This was around 1986, with ammo that was loaded in 1950.

    I think the experience in Korea had a lot to do with conditions there, including the cold. I've heard a lot of accounts of men being shot and continuing to fight because the cold sealed up the wounds. Once they warmed up, they'd bleed out.

    Also consider that most carbines were M2's, and it's not the most shooter friendly full auto. Light gun, semi pistol grip, pretty fast rate of fire, and the stock is not in line with the direction of the recoil.

    Even in semi auto it's practically useless past 200 yards
     

    mongoose

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    Sep 10, 2012
    1,098
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    nm
    5.7x28 ss190 out of a 10 inch, iirc, barrel will Penetrate esapi plates at 200 yards. Level 3 plates I believe.

    The non ap stuff we can get won't. Which is why my qualifier of ammo ww can't get.

    The whole point of the 5.7 and p90 was developed to penetrate such armor at 200 yards with the ss190 ammo.

    Without it it is a hot 22 mag load. Kinda.
    I don’t know about 200 yds, but I do know experienced Green Berets who bought in that caliber just for penetrating bullet resistant vests.
     

    candcallen

    Crotchety, Snarky, Truthful. You'll get over it.
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    Jul 23, 2011
    18,273
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    Little Elm
    Level III is rifle rated, IE, .308 M80 ball.

    Lvl III will stop M855 or M193 past 50-75 yards 100% of the time (depending on barrel length), much less 5.7x28.

    AP is not magic, and there is no bullet technology out there that will turn 5.7 at 200 yards into 5.56 at 50 yards, or say .30-06 M2AP



    AP 5.7 will go through IIIa, as will .30 carbine FMJ or 7.62x25 FMJ
    3 3a what's a vowel between friends.

    Now I'm curious.

    Stand by.... 3a ofcourse. I'm a tard ars who watched too much stargate p90 defeating jaffa armor.
     

    cycleguy2300

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    Mar 19, 2010
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    Austin, Texas
    3 3a what's a vowel between friends.

    Now I'm curious.

    Stand by.... 3a ofcourse. I'm a tard ars who watched too much stargate p90 defeating jaffa armor.
    Iirc, it will go through IIIa without an AP bullet at short ranges.

    Its a cool little round and I think a PCC in 5.7 would be fun.

    Надіслано з дому вашої мами за допомогою Tapatalk
     

    baboon

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    May 6, 2008
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    Out here by the lake!
    5.7 spitfire never made it past the wildcat stage, which is a shame because it's a great cartridge, and the best of all the various necked down .30 carbine cartridges out there
    A friend of mine who is big time into carbines both M1 & M2 believes he has the the Spitfire Carbine Folder that was pictured with Melvin in a famous picture. The problem he encountered was ammo he has the brass all splits. He thinks it was the annelealing of the carbine brass is culprit.
     

    seeker_two

    My posts don't count....
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    Jul 1, 2008
    8,334
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    That place east of Waco....
    I learned to shoot rifles with my dad's .30 cal M1 carbine. The first time I shot it I put four rounds of surplus FMJ ball ammo through an eight inch thick oak tree. This was around 1986, with ammo that was loaded in 1950.

    I think the experience in Korea had a lot to do with conditions there, including the cold. I've heard a lot of accounts of men being shot and continuing to fight because the cold sealed up the wounds. Once they warmed up, they'd bleed out.

    Also, the ChiComs were known to put pieces of scrap steel inside their coats before a swarm attack. Primitive body armor....who knew they weren't enthusiastic about dying for the Revolution?
     

    Coyote9

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    12   0   0
    Jan 13, 2020
    1,266
    96
    Granbury Texas
    Besides costing a bunch.
    The P-90 was/is the grandkids favorite- most smiles per round! The FN 5.7 pistol has awesome fireballs at dusk- The 50 round quick change mags are quite the item if your cabin is in danger of being over run...Practical? not so much. Fun Gun? You betchum Red Rider!
     

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