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1/25/2018 7:38:29 AM
Posted: 6/19/2003 7:51:30 AM EST
What would happen if you did this?
Link Posted: 6/19/2003 8:07:52 AM EST

Link Posted: 6/19/2003 8:15:22 AM EST
The 9X18 uses a larger dia. bullet than the 9x19.
Link Posted: 6/19/2003 9:02:52 AM EST

dude, i doubt it would kB, but im sure it wouldnt be good on the firearm. if the bullet is a larger diameter it is possible the lower powered round could lodge in the barrel.

anyone want to try?

i predict in an autoloader it would fire but not cycle the action, possibly giving you a nasty jam or stuck case or something.


Link Posted: 6/19/2003 11:49:38 AM EST
I assume you're talking about 9x18 Mak and not 9x18 Ultra. As noted, it is a larger diameter bullet. It will increase pressures to a very high peak. It will cause excessive wear, and a K-boom is a possibility, depending on the gun.

There was a foregin agency that issued Sig P230s chambered in 9x18 Ultra. The 9x18 Ultra is simply longer than a .380 and shorter than a 9mm Para. It uses the 9mm Para sized bullet. Some guys got the bright idea to carry and shoot 9mm Makarov out of it, as the ballistics were better. They didn't blow up, but they sure ruined alot of Sigs by cracking frames, breaking parts, etc. The pressures were extreme, and it's probably a good thing they had Sigs rather than some junk gun.

While most 9x19's have a locked breech, the pressures would still be pretty high. In the end, it's probably not a good idea.


Link Posted: 6/19/2003 1:45:48 PM EST
Not sure what might happen but if you decide to do it video it, it might be interesting.
Link Posted: 6/20/2003 2:13:24 AM EST
It wouldn't be that dramatic. P.O. Ackley wrote of shooting larger projectiles down various bores in an effort to get a blowup. Initial pressures are high and then the bullet gets swaged to bore size and pressures return to normal.

There have been a few people over at Subguns who've talked about accidentally mixing a 9mm Luger in with their PPSH 43 ammo and successfully firing it without damaging the gun.
Link Posted: 6/20/2003 11:24:20 AM EST
[Last Edit: 6/20/2003 11:24:39 AM EST by SpacemanSpiff]

oooh damn, PPSH-43's are 7.62 Tokarev are they not?

now THAT is cramming too much bullet through too little pipe.


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