9mm compatability


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Old 05-13-2012, 09:03 PM   #1
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Default 9mm compatability

So I might be crazy but would it work to shoot makarov and .380 in a 9mm parabellum chambered gun? I am guessing it wouldn't cycle properly but they are the same diameter and have less pressure. Perhaps I am crazy let me know



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Old 05-13-2012, 09:05 PM   #2
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There is more to ammo measurements than just diameter. I wouldn't recommend it.



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Old 05-13-2012, 09:16 PM   #3
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nope, won't work. most semi auto's headspace of the rim, so by using a shorter case it will try to headspace off the extractor. not good. nothing good ever comes from using the improper ammo in a firearm. one of the 10 Commandments of safety, only use ammo that is amde for the firearm. there have been people hurt and killed from not following this advice. there are things like being blinded, losing a finger or hand or any other ill effects that have happened. if it calls for 9mm, then use that.

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Old 05-13-2012, 10:16 PM   #4
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axxe55 is correct. Please listen to him. The shorter cartridge may fire in a 9m/m if the extractor could hold the shell enough. Poor idea and poor practice if you try it.
Here are some examples of wrong ammo used in guns. - -
http://www.firearmstalk.com/forums/f14/shooting-wrong-caliber-ammo-43275/

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Old 05-13-2012, 10:18 PM   #5
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Cool link. I'm amazed that last case didn't pop like a zit. Scary

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Old 05-13-2012, 11:06 PM   #6
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Those things make sense I figured it wouldn't be wise but I thought I might ask the masses so that I could learn from other's mistakes

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Old 05-13-2012, 11:13 PM   #7
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I was able to shoot 9mm out of the .380, but was not able to shoot .380 out of the 9mm. The head-space was about 1/16 inch too short. But, I did try.

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Old 05-13-2012, 11:14 PM   #8
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Quote:
Originally Posted by Hectocotylus View Post
Those things make sense I figured it wouldn't be wise but I thought I might ask the masses so that I could learn from other's mistakes
when it comes to firearms, better to be safe than sorry. smart move asking before trying it out. you might be suprised at the number of people who actually try stupid stunts like this without asking. if you're in doubt about something, especially if it involves safety, ask. the only stupid question is the one someone has and they don't ask it.
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Old 05-13-2012, 11:50 PM   #9
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Listen to the sage advice above.

Use the correct caliber ammo.

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Old 05-14-2012, 12:56 PM   #10
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9MM ammo is cheaper anyhow.



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