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| Member |
It looks like some got mixed in a box I had in the bottom of my safe. It stovepiped but ran 9mm fine after that. I was testing out a new grip and flat trigger and it wouldn't hit the side of a barn after the .380 round went through. Wondering if a new barrel is in order. | ||
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| Member |
I'd say it's unlikely unless the bullet got stuck and you fired another one behind it. | |||
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For real? |
You’ll be fine. Not minority enough! | |||
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Member |
I too would be surprised if a single 9mm Kurz fired in a 9x19mm chamber would cause permanent damage. Scrub the bore and visually inspect for any bulging or other abnormalities. I somehow wonder if the new grip and trigger are detrimental to your accuracy. | |||
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| Member |
It is far most likely that the installation of the new grip and trigger has affected accuracy than firing of a .380 round. The .380 probably only fired because it was held in place by the extractor because if it chambered like it should in a 9mm chamber it would have been too far forward in the chamber for the firing pin to reach it-unless you have a super long firing pin, which would then pierce primers on 9mms. The Islamic terrorist express: Go directly to Allah, do not pass hell. | |||
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| Member |
Should be fine in theory. I'd pop the barrel and look for a bulge with the following. 1. Look down the barrel at a light so you can see the rifling. If you see a dark ring then that's possibly a bulge. 2. Slide the barrel into the slide from the front like youre pointing at the firing pin, and see if it catches on the barrel before stopping on the chamber/recoil lug area. If neither of the above is a thing I'd not think too hard about it. I ran a round of 40 through a 45 1911 and besides not cycling the slide it was fine. | |||
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E tan e epi tas |
If several .40 rounds won’t damage a .45 1911 I think you will be fine. Uhhhh, uuuhh friend mixed up some ammo many years ago.   I just about turned white when I realized what I had done and why I was having so many malfunctions. I was THRILLED to have all my fin......errrr my friend was thrilled to have all his fingers.  "Guns are tools. The only weapon ever created was man." | |||
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Nullus Anxietas |
I think it's more likely you than the gun. "America is at that awkward stage. It's too late to work within the system,,,, but too early to shoot the bastards." -- Claire Wolfe "If we let things terrify us, life will not be worth living." -- Seneca the Younger, Roman Stoic philosopher | |||
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| Freethinker |
Many 40 S&W rounds have been fired in 45 ACP chambers, many 9mm cartridges have been fired in 40 S&W chambers, and even a few 357 SIG rounds fired in 40 S&W chambers, all without causing any damage except to egos. The 380 Auto cartridge uses the same size bullet as 9mm, so I cannot imagine it would have any adverse effect. ► 6.4/93.6 “Wise men talk because they have something to say; fools, because they have to say something.” — Plato | |||
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| Member |
I looked at the barrel when cleaning. A lot if chunks of stuff, but it cleaned up nicely. I would think lead and copper couldn't damage a steel barrel, but you never know. | |||
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| Member |
No problem. If you haven't shot a 9mm through a .40 or a .40 through a .45, you know somebody who has. Case usually bulges a little and the gun often won't cycle, but otherwise not a problem. | |||
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| The Constable |
I watched a guy with a Smith 25-7 a .45 Colt revolver ,spraying bullets at the 50 yd steel plate. But the report was odd, so I walked over. He was shooting full boat .44 mags out of that poor Smith! The rest is a long story but that revolver survived. | |||
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| It's not you, it's me.  |
I’ve done that a bunch of times, not a big deal. | |||
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| Member |
I noticed some rounds in an ammo can that appeared to be too long..... turns out my dillon 650 will sometimes load a 380 just like it was a 9 mm..... they functioned just fine.... d I c k "Take a kid shooting" | |||
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| His diet consists of black coffee, and sarcasm.  |
The .380 is smaller (at the base) than 9mm Luger. I would expect the case to bulge severely at this point. Unless the case blows out I don't see how it could damage the gun. The bullet is the same diameter and there is enough power to push it out of the barrel, so no worries about getting a bullet stuck.
Is this hyperbole? A bunch of times? Anybody can make a mistake, but the same one multiple times says you need to review safety procedures, like only putting out one gun and its ammunition at a time. | |||
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| It's not you, it's me. |
I did it twice by accident at the range. Then I got curious and tried it a few more times just to make sure  | |||
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| Member |
Here's a pic of one of the casings I found  | |||
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| Member |
There was one PD that would practice malfunctions by putting a random .380 in a 9mm Beretta magazine. The Beretta would feed and fire the .380, but not cycle; jam! | |||
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| and this little pig said: |
I think that's called "fire formed"!! | |||
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| Freethinker |
Ooh! Good idea. Thanks for mentioning that. ► 6.4/93.6 “Wise men talk because they have something to say; fools, because they have to say something.” — Plato | |||
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