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-   -   American and Foreign 9mm Different?? (http://www.firearmstalk.com/forums/f30/american-foreign-9mm-different-66057/)

Trez 06-08-2012 05:17 PM

American and Foreign 9mm Different??
 
Ive noticed that American made 9mm's have a taper at the base but foreign made ones have a straight case.... Why would this be?? :confused:

If I buy a brand like Remington or Winchester it wont fit my Medusa, but Seller & Bellot and Fiocchi fit great?? (Exception: I have a old box of 40's-era Remington 9mm and it fits???)

Whats the deal?? :confused:

anm2_man 06-09-2012 07:32 PM

Quote:

Originally Posted by Trez (Post 829385)
Ive noticed that American made 9mm's have a taper at the base but foreign made ones have a straight case.... Why would this be?? :confused:

If I buy a brand like Remington or Winchester it wont fit my Medusa, but Seller & Bellot and Fiocchi fit great?? (Exception: I have a old box of 40's-era Remington 9mm and it fits???)

Whats the deal?? :confused:

Let google be your friend http://en.wikipedia.org/wiki/9x19mm_Parabellum

Trez 06-09-2012 09:12 PM

What was I suppose to see, I didnt see anything that told me? :confused:

locutus 06-09-2012 11:00 PM

Case dimensions are the same.

c3shooter 06-10-2012 01:55 AM

ALL 9mm Parabellum has a taper to the cartridge case. And made in the Americas, Europe, or Asia, has the same dimensions.

Euro is typically loaded a bit hotter than American.

Trez 06-10-2012 04:21 AM

1 Attachment(s)
If all 9x19mm dimensions are the same, why do some fit and others dont?
Winchester, new Remington, and Federals consistently DONT fit, but S&B and Fiocchi consistently DO fit... :confused:

Heres pics:
Winchester & Federal not fitting in my cylinder - but the S&B does..

Trez 06-10-2012 04:23 AM

1 Attachment(s)
Another pic:
New Remington not fitting, 40's era Remington that does fit..

res45 06-10-2012 11:38 PM

There are two other possibilities,one is that not all 9mm brass is the same thickness it can vary as much as .003" between brands. If you revolver chambers have vary tight tolerances it possible that case dimension is giving you the problems. I have a Ruger 9mm revolver and anything I fired in it both hand loads as well as factory ammo drops right in. I have had on a few occasions a few rds. that were tight but they did push in with a little thumb pressure.

You might want to mic each one of your cylinders as well as several brands of loaded ammo at the web and see where the difference is.

OldManMontgomery 06-15-2012 12:24 AM

Tolerance is not liking people from other countries...
 
All manufacturing and all manufacturers require 'tolerances'. That is to say, there is some difference in measurements from one brand to another and from one lot to another. This includes both firearms and ammunition.

Most of the time it all works fairly well, once in a while one finds a firearm of 'minimum' size' and ammunition of 'maximum' size. Then it doesn't fit right.

Such is life.

rjd3282 06-15-2012 01:26 AM

Have you checked to see if it is just certain chambers or does it occur in all the chambers? This seems like a gun problem not an ammo problem. Does the same ammo fit chambers in other guns?


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