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Firing .380 in Glock 9m/m??

1K views 13 replies 9 participants last post by  erbob 
#1 ·
Has anyone here ever inadvertently fired a .380 cartridge in their Glock 9m/m?
Happened yesterday with my G26 and wondered why the empties were not getting ejected and after closer look, found wrong caliber ammo. Note the case will chamber on the mouth like the 9m/m but is just a bit too short for the extractor to grab the case. This is similar to the old Astra 400 when using regular 9m/m ammo instead of proper 9m/m Largo. Now, I do NOT want anyone getting on my ass for such an dumb/accidental screwup as I am already embarrassed enough. Although I don't anticipate this ever happening again, at least I now know that it is possible in an extreme emergency case when there is absolutely no 9 m/m readily available. Learned that we have to closely watch what we are feeding our firearms as these.380 cartridges were somehow mixed in with their big brother 9m/m's. The above is just as information and again, no criticism needed as I have already learned my lesson!!
 
#3 ·
Happened to me once, with 10mm in a 45 chamber. I was shooting a bunch of hot 10mm and 45 Super loads from a G21SF and a G20SF. I picked up a magazine of 10mm and loaded it into my G21SF by mistake. In this case it was more of a pffffft, sound. The bullet left the barrel, but the action didn't cycle. When I locked the slide back and dumped the case out, a really bulged and split 10mm case fell out.
 
#4 ·
Things like this is why I consolidated calibers. Some time ago pistols in the house went to .40. (not for debate, we like .40)
AR is 5.56/223, and the one AK is 7.62x39.
Hard to mistake these IMHO, and ammo is segregated anyway.
We still have a 9MM in the safe for prosperity, but it is seldom set free.
All we really have to watch is if some jackwagon swaps out a 300 blk in the 223 at the store. It has happened.
 
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#5 ·
I shot 9mm in my .40. The case split and my impact on target was no where near where I aimed LOL
 
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#6 ·
I fired a 9mm target round in my G35 .40 by accident. No ill effects. Case ballooned. The slide did not cycle.

I really like having the 34, 35, and 41 side by side when comparing recoil, like my recent 9mm +P+ 9BPLE test.

To help prevent this mistake in the future I replaced my flat based 34 magazine with a +2 version. That's what I use in Action Pistol anyway. My 34 has standard sights, where my 35 has Glock Night Sights, so that keeps those 2 firearms easily separated. I just had issues with the mags.
 
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#10 ·
Different colored ammo boxes for different ammo. 9mm is blue, 380 is clear, 45 is red, 38/357 is green, 40 is red/black, 357Sig is blue/black Hard to grab the wrong one.
... if you remember the color code. :)
Makes loading the range bag easy as well.
Unless you get the code colors confused...then you arrive at the range with the wrong ammo...all of it.
 
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