Can I use a 380 snap cap in a 9mm pistol?

This is a discussion on Can I use a 380 snap cap in a 9mm pistol? within the Defensive Carry & Tactical Training forums, part of the Defensive Carry Discussions category; I just ordered a Laserlyte LT-PRO training laser (flashes a dot when you dry fire) and some snap caps for a .380. Can I use ...

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Thread: Can I use a 380 snap cap in a 9mm pistol?

  1. #1
    Distinguished Member Array Paymeister's Avatar
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    Can I use a 380 snap cap in a 9mm pistol?

    I just ordered a Laserlyte LT-PRO training laser (flashes a dot when you dry fire) and some snap caps for a .380.


    Can I use the .380 snap caps (=9mm short) in a 9mm pistol? Seems headspace isn't much of an issue if it's a hunk of plastic instead of an explosion, and the extractor should keep it in position. Thoughts?

    Thanks, all!
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  3. #2
    Member Array Medic218's Avatar
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    It's plastic, give it a shot and see.
    I'm thinking the pin might not hit center but so what?
    Do some experimenting and report back.
    "I don't like repeat offenders, I like DEAD offenders!" -- Ted Nugent
    "Not everyone can be born with common sense, some are born liberals." -- MM218

  4. #3
    Distinguished Member Array claude clay's Avatar
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    pin will hit center--think about it...
    though a 9mm cartridge is slightly tapered, roll one on a table top and observe
    a 380 is straight walled and shorter
    in all my 9mm guns guns i am able to chamber a 380; though it does not head space on its mouth cause it is 2mm shorter than the 9
    so, if the extractor holds it in place it fires though unless your gun is gas powered ( P7) it will not cycle

    the purpose of the snap cap is negated by the shorter 380; you are stressing the extractor
    get whats proper.

    practice proper & good luck
    Be aware, be deliberate in your actions and be accurate.
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  5. #4
    VIP Member Array oakchas's Avatar
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    dry firing should not harm modern weapons. no need for the snap cap in your 9mm with the laserlyte in it.
    Rats!
    It could be worse!
    I suppose

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