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  1. #1
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    .45 ACP vs .45 GAP

    Whats the difference in these rounds and what does the ACP/GAP mean?

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  3. #2
    oak1971's Avatar
    oak1971 is offline Member
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    GAP is more compact allowing for a slimmer gun. It also caused some Glocks to explode. The cartidge was deloped by Glock. Glock Automatic Pistol .45 caliber.

  4. #3
    Ptarmigan is offline Member
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    ACP stands for Automatic Colt Pistol and GAP stands for Glock Automatic Pistol as far as I remember. The GAP is a much newer round developed by Glock and the round itself is shorter than the ACP. My understanding is that both round perform about the same.

  5. #4
    tony pasley's Avatar
    tony pasley is offline Senior Member
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    Automatic Colt Pistol which is a little bit bigger than the glocks attempt to dethrone the king of the pistols.

  6. #5
    Ptarmigan is offline Member
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    Quote Originally Posted by oak1971
    It also caused some Glocks to explode.
    Care to provide a source for this claim?

  7. #6
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    KABOOM!


  8. #7
    Ptarmigan is offline Member
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    Not very helpful really. Considering the fact that the whole kaboom panic took place long before the GAP was even developed, that really does not support your statement.

  9. #8
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    Quote Originally Posted by oak1971 View Post
    It also caused some Glocks to explode.
    I thought it was the other way around. Something about the Glocks not supporting the back end of the ACP cartridge?

  10. #9
    oak1971's Avatar
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    Quote Originally Posted by Ptarmigan View Post
    Care to provide a source for this claim?
    Here you go.

    http://www.theledger.com/article/200...803130481/1039

  11. #10
    Ptarmigan is offline Member
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    Thank you. I was aware of the original Kaboom panic, which involved primarily Glocks chambered in the .40S&W caliber, and I heard that there were a few cases involving .45ACP models, but I had not heard about problems with the .45GAP.

  12. #11
    oak1971's Avatar
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    There was suspicion that the ammo was on the "hot" side. But it was regular department issue ammo. I am sure Glock and the ammo supplier were both blaming the other. The truth is most likely somewhere in between. If you had a gun that was just a little iffy and ammo that was in spec for pressure but on the high side of the range that would explain it perhaps. Who knows, but they did kaboom.

  13. #12
    Spartan's Avatar
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    Go ACP and don't look back.

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