Pennsylvania Firearm Owners Association
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  1. #11
    Join Date
    Feb 2013
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    The cold, dark, void, Pennsylvania
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    Default Re: Need help type of caliber friends gun

    Quote Originally Posted by bortle View Post
    When he see's the price of 380 ammo he'll wish it was 9mm luger
    You mean if he can actually find a box of either.
    NOBODY NEEDS ASSAULT SPEECH

  2. #12
    Join Date
    Apr 2009
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    Quakertown, Pennsylvania
    (Bucks County)
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    Default Re: Need help type of caliber friends gun

    Quote Originally Posted by mikelets456 View Post
    Here's the photo---sorry for the late reply and thanks for the awesome explanations:

    Attachment 139443
    Looks like one of those Baby Llama 1911s in .380.
    Accuse your enemy of what you are doing as you are doing it to create confusion -Karl Marx

  3. #13
    Join Date
    Dec 2011
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    Stevens, Pennsylvania
    (Lancaster County)
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    Default Re: Need help type of caliber friends gun

    Quote Originally Posted by raxar View Post
    You mean if he can actually find a box of either.
    https://www.sgammo.com/product/380-a...380abp-limit-3
    "We are Americans...We are built to defy authority"

  4. #14
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    Nov 2013
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    Erie, Pennsylvania
    (Erie County)
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    Default Re: Need help type of caliber friends gun

    Quote Originally Posted by raxar View Post
    Yes and no, they use the same diameter bullet but the .380 case is slightly smaller in diameter.
    Interesting. I just looked it up, and .380 ACP bullet diameter is actually 9.00 mm. not .380. .380 in = 9.652 mm.

  5. #15
    Join Date
    Feb 2010
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    Levittown, Pennsylvania
    (Bucks County)
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    Default Re: Need help type of caliber friends gun

    Similar to a .38 S&W Special being .357", just shy of 36 caliber. The company stretched the truth a little to appear more powerful and gain a sales advantage.
    9mm bullets are .355" and .356". .380s are usually 95 grains or thereabouts. 9mm usually are not below 115gr.

    A .380 case is almost straight-walled, the neck being .001" smaller in diameter than the base. The 9mm Luger (aka parabellum) is quite tapered, with a neck to base difference of .011". Many don't realize the taper is there. Reloading (resizing) removes the taper and is one of the reasons gun makers state firing reloads in their product is a no-no.
    Last edited by Bang; November 25th, 2020 at 10:21 PM.
    There are only two kinds of guns. Those I have and those I want.

  6. #16
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    Dec 2012
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    jersey shore, Pennsylvania
    (Lycoming County)
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    Default Re: Need help type of caliber friends gun

    Quote Originally Posted by RockIsland View Post
    Looks like one of those Baby Llama 1911s in .380.
    Yepper

    Definitely a 380 then.

  7. #17
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    May 2012
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    Yardley, Pennsylvania
    (Bucks County)
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    Default Re: Need help type of caliber friends gun

    Quote Originally Posted by RockIsland View Post
    Looks like one of those Baby Llama 1911s in .380.
    It is indeed. I went to the range with him and there happened to be someone there that knew his stuff and confirmed 100%. For a small gun it shot really nice---Jammed after the first shot but after a few runs it ran smooth as silk. He is now another NEW (excited) gun owner! It used to be hard getting people to get into guns---now they're knocking my doors down to go to the range.
    "I prefer dangerous freedom over peaceful slavery." Thomas Jefferson

  8. #18
    Join Date
    Apr 2007
    Location
    Pittston, Pennsylvania
    (Luzerne County)
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    Default Re: Need help type of caliber friends gun

    9mm makerov
    troll Free. It's all in your mind.

  9. #19
    Join Date
    Dec 2007
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    Lancaster, Pennsylvania
    (Lancaster County)
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    Default Re: Need help type of caliber friends gun

    Quote Originally Posted by Bang View Post
    Similar to a .38 S&W Special being .357", just shy of 36 caliber. The company stretched the truth a little to appear more powerful and gain a sales advantage
    Actually it came out of the black powder days where there was a cloth patch around the bullets, so a .38 caliber bore used .356 diameter bullets. .38 was a number people knew so they stuck with it 44 caliber would have .429 diameter bullets and today's.44's are .429 bore and bullet in keeping with the familiar size.
    "You can't stop insane people from doing insane things by passing insane laws--that's insane!" -- Penn Jillette

    "To my mind it is wholly irresponsible to go into the world incapable of preventing violence, injury, crime, and death. How feeble is the mindset to accept defenselessness. How unnatural. How cheap. How cowardly. How pathetic." -- Ted Nugent

  10. #20
    Join Date
    Oct 2008
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    Titusville, New Jersey
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    Default Re: Need help type of caliber friends gun

    Quote Originally Posted by Zeke2A View Post
    What he said .....excellent description. Technically you can fire a .380 cartridge out of a 9mm chambered firearm ( more than likely will not cycle) you cannot do the reverse without damaging the firearm.
    Well, yes and no. Theoretically, rimless cases headspace on the case mouth against a shoulder in the chamber. In reality they generally headspace off the extractor. However, with the .380 Auto having a slightly smaller rim diameter, headspacing off the extractor may be problematic in a gun chambered for 9 mm x 19. Guess that's where the "Technically" and "Theoretically" come into the equation.

    Adios,

    Pizza Bob
    NRA Benefactor Member

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