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Discussion: Not exactly the same but...

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White76Knight	Not exactly the same but... Jul 23 2010, 11:14 AM EDT I have heard that it is unsafe to fire 9mm ammo that is intended for SMG out of a 9mm pistol. Exactly the same case, primer and bullet, but loaded hotter (ie - to a higher pressure). First of all, is this so? Second, is it therefore unsafe to fire 9mm pistol ammo out of a 9mm SMG? Or will it simply lack the power to cycle the action. Third, what would be involved in modifying an SMG to fire the less powerful pistol ammo, and would it thereafter be unsafe to fire the full power 9mm SMG ammo? Post reply Do you find this valuable? Keyword tags: ammo ammunition caliber pistol
Conmiro	1. RE: Not exactly the same but... Jul 23 2010, 12:01 PM EDT It's called +p ammo, I believe. You need a stronger gun to shoot it, but there's no such thing with the SMG's and whatnot. Post reply Do you find this valuable?
SasquatchJim	2. RE: Not exactly the same but... Jul 23 2010, 12:29 PM EDT "It's called +p ammo, I believe. You need a stronger gun to shoot it, but there's no such thing with the SMG's and whatnot." As far as I know, most of the major pistols are rated to shoot +P, aren't they? Post reply Do you find this valuable?
nate121	3. RE: Not exactly the same but... Jul 23 2010, 12:43 PM EDT "As far as I know, most of the major pistols are rated to shoot +P, aren't they?" thats what i thought also but if it dosn't say +P they are interchangeable... if it's the same caliber :P Post reply Do you find this valuable?
OutlawJames	4. RE: Not exactly the same but... Jul 23 2010, 1:15 PM EDT There is some ammo made specifically for SMG's, and for a particular model of SMG( but I dont remember what it was). However as far as I know, it is arsenal made, specifically for military use, and I dont recall ever seeing any on the market. Most anything you will find will be for general use. i.e. pistols, light rifles... etc. etc. Post reply Do you find this valuable?
LJ126	5. RE: Not exactly the same but... Jul 23 2010, 2:43 PM EDT The Soviet Union was all about creating ramped up loadings for cartridges of the same dimensions, but NATO typically does not do this. For example, many different varieties of 7.62x25 can be found, often differing in pressure by considerable amounts. The Yugoslavians created ramped up loadings that the CZ vz.52 handgun (due to is rolling lock design) and their submachineguns could handle, but other handguns in the same caliber (TT33 and their clones) would have catastrophic failures when they attempted to shoot this ammunition. Indeed, western submachineguns are often rated for +P ammunition and will function reliably with standard pressure ammo, but most 9mm handguns are also rated for +P ammo as well. Post reply Do you find this valuable?
White76Knight	6. RE: Not exactly the same but... Jul 23 2010, 6:23 PM EDT So basically, any 9mm ammo that one is likely to get their hands on should function equally well and be equally safe in either a pistol or an SMG. If I'm reading these replies correctly, is this the readers digest version of whats been said here? Post reply Do you find this valuable?
SasquatchJim	7. RE: Not exactly the same but... Jul 23 2010, 8:36 PM EDT "So basically, any 9mm ammo that one is likely to get their hands on should function equally well and be equally safe in either a pistol or an SMG. If I'm reading these replies correctly, is this the readers digest version of whats been said here?" Pretty much. Assuming your gun isn't a total POS. If you're planning on buying a gun, just research it first. Post reply Do you find this valuable?
Filadog	8. RE: Not exactly the same but... Jul 23 2010, 9:38 PM EDT \| Post edited: Jul 23 2010, 9:41 PM EDT There is some 9mm ammo thats it's manufactures warn are for SMGs and should not be used in pistols. I had a lot of Israel UZI ammo befor that said right on the box not to shoot in pistols. I have heard some Hirtenberger ammo imported was for SMGs and was way to hot for pistols, suposedly it was devoloped for extreame cold weather and was loaded hot so SMG would function better. If it says on the box not for pistols I don't think I would shoot it in a pistol unless I had too. Realisticaly the chance of you finding this ammo it probably pretty low and probably shooting a few of them out of a quality modern 9mm would be OK...Things might would be different out of an old Luger, Broom Handle or even a cheap modern pistol ...I know that some old rounds like the 32 20 were loaded hotter for rifles and thier boxs will say for Rifles only, I wouldn't shoot them in a pistol. I have had some military surplus 9mm that had very hard primers that while they shot fine in my Uzi SMG would have failue to fires in some of my pistols. Once bought a 1,000 rounds of old Chinese 8mm to shoot in my Maxim MG, brought a Mauser rifle with me to try it out and shot fine so bought it.... None would fire in the Maxim because I guess the primers were to hard for it..Took it back and traded for some other and it shot fine....go figure Post reply Do you find this valuable?

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