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Old 06-26-2008, 11:51 AM   #1
 
Join Date: Jun 2008
Posts: 3
Unsupported 9x23 chamber

First of all, I hope this is the appropriate forum and, please, excuse me if I don't know the proper technical terms for some things.

I have this 5" pistol barrel chambered for the 9x23 mm Largo (pressure is like a "normal" .38 Super WITHOUT the +P).

The thing is the case is unsupported for about .067" from aft the case bevel (the one after the case extractor groove).

I compared it to other guns from the same model but they fully enclose the case aft the case bevel. I shot a single round (124 gr CMJ - RN; 1,180 fps; OAL: 1.299") and the fired case looks fine--no bulge whatsoever.

Should that bbl. be safe to shoot?

The endshake with that bbl./slide combination is about .005" and the gun is a Star mod. A.
 
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Old 06-26-2008, 04:43 PM   #2
 
Join Date: Nov 2001
Posts: 951
Re: Unsupported 9x23 chamber

9x23 case does not need to be supported in a 1911......Split a 9x23 case and a 38 Super case down the middle. See the difference in case wall thickness? I beleive .... With a properly fit barrel, a 1911works better with a non ramped barrel

Bill Caldwell
 
Old 06-26-2008, 05:36 PM   #3
 
Join Date: Jun 2008
Posts: 3
Re: Unsupported 9x23 chamber

Please, not that I'm referring to the 9 mm Largo (9 x 23 mm Largo) cartridge instead of the more modern 9 x 23 mm Winchester.

Excuse me for the misunderstanding.
 
 
Old 06-26-2008, 07:38 PM   #4
 
Join Date: Nov 2001
Posts: 951
Re: Unsupported 9x23 chamber

My fault for the misunderstandin'....When I think 9x23, it is the 9x23 Win. I would think the 9mm largo and any factory load for the 38 Super do not need a ramped barrel......Factory 38 Super worked fine in the 1911's built in the 1930's. Trouble started when We started loadin' 38 Supers HOT to make USPSA Major power factor

Bill Caldwell
 
Old 06-27-2008, 03:41 AM   #5
 
Join Date: Jun 2008
Posts: 3
Re: Unsupported 9x23 chamber

Thank you!

 
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