.38 special vs. 9 mm.

This is a discussion on .38 special vs. 9 mm. within the Defensive Ammunition & Ballistics forums, part of the Defensive Carry Discussions category; Originally Posted by batpot first 2 guys nailed it... one thing to add: a 357magnum load consists of ~twice as much powder as a 38 ...

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Thread: .38 special vs. 9 mm.

  1. #16
    VIP Member Array Rob99VMI04's Avatar
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    Quote Originally Posted by batpot View Post
    first 2 guys nailed it...

    one thing to add: a 357magnum load consists of ~twice as much powder as a 38 special.

    also, can't get 38 special in semi-auto, because it's only operating at ~17k psi vs ~35k PSI for a 9mm
    actually I believe smith made a semi auto that shot .38 specials, it was designed only to feed wadcutters IIRC. It was for bullesye competitions.
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  3. #17
    VIP Member Array TedBeau's Avatar
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    Ok here is another question for the reloaders out there

    From what I read somewhere the actual bullet diameter for the 38 special and the 357 is actually .357 inches. The nine millimeter works out to .354 inches. I see lots of ammo that uses 125 grain hollowpoints in both the 38 special/357 and 9mm. Is the bullet manufacturer actually casting two different diameter bullets in the same weight?

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    Distinguished Member Array Rugergirl's Avatar
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    I/We have a ruger GP100 and yes it can fire both the .357 and .38 rounds, same diameter. When we shoot both at the range we always fire the .357 first then finish with the .38. It doesn't take long for a ridge to form and make it hard to get the .357 fully seated.
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    VIP Member Array cvhoss's Avatar
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    Quote Originally Posted by TedBeau View Post
    From what I read somewhere the actual bullet diameter for the 38 special and the 357 is actually .357 inches. The nine millimeter works out to .354 inches. I see lots of ammo that uses 125 grain hollowpoints in both the 38 special/357 and 9mm. Is the bullet manufacturer actually casting two different diameter bullets in the same weight?
    Yes, they are different bullets. BTW, the 9mm is .355 diameter.

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    Senior Member Array hudsonvalley's Avatar
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    Quote Originally Posted by batpot View Post
    first 2 guys nailed it...

    one thing to add: a 357magnum load consists of ~twice as much powder as a 38 special.

    also, can't get 38 special in semi-auto, because it's only operating at ~17k psi vs ~35k PSI for a 9mm
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