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Old 09-02-2013, 10:53 PM
TheTinMan TheTinMan is offline
Join Date: Nov 2008
Posts: 1,498
Magazines for .38 Super vs. 9x23 Winchester

I've seen two recent auctions on Gun Broker for Colt factory 1911s with barrels and magazines for both cartridges. Need different barrels for sure since the chamber specs are different.

Why distinct magazines?

I was under the impression that 38 Super magazines work fine for 9x23 Winchester.

P.S. If this isn't the best place to ask this question, please direct me to the right place.
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Old 09-02-2013, 11:10 PM
Nick A Nick A is offline
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Join Date: Sep 2005
Posts: 12,390
I did a search here on 1911Forum and found several threads.

This thread has the following information about Colt 9x23 magazines that came with this guys gun:

They appear to be 9x23 marked blued .38 Super magazines.
The followers are the standard split leg followers with the dimple to hold the round in place.
There are eight witness holes on each side of the magazine.

The markings are as follows:

1) "M" in upper right corner of floorplate

2) The rampant pony on the left side of the floorplate.

3) "COLT 9 X 23 WIN" in two lines in the center of the floorplate.
So it looks like Colt marked 9x23 on the magazines it sold
with conversion kits and the few pistols they made.
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Old 09-02-2013, 11:30 PM
superdude superdude is offline
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Location: midwest
Posts: 4,645
I doubt they are different other than just the markings. The rounds have the same length - well, SAAMI specs of maximum 1.280" for 38 Super and 1.300" for 9X23, but the same practical COL. Therefore, they would have the same timing release characteristics. I shoot booth in single stack 1911s from 38 Super magazines.
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Old 09-03-2013, 06:18 AM
TheTinMan TheTinMan is offline
Join Date: Nov 2008
Posts: 1,498
Thanks guys!

Nick, you do better with the Search function here than I do. Sorry about that.
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Old 09-03-2013, 08:39 AM
Georgia1911 Georgia1911 is offline
Join Date: May 2011
Posts: 236
The Winchester tapers where the 38 Super does not, but it's hard to believe that would really make any difference when feeding from a magazine.
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Old 09-03-2013, 09:55 AM
LOU D LOU D is offline
Join Date: Mar 2012
Location: Dupont PA
Posts: 917
Same mag..Colt marks all their mags to match the gun/caliber,the external dimensions are all the same,the only difference on the sub .45 calibers is the raised rib to keep the smaller rounds centered,or the filler in back for shorter calibers.
When it hits the fan...BE the fan...
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Old 09-03-2013, 11:03 AM
Rock185 Rock185 is online now
Join Date: Jan 2002
Location: Central Highlands of the Great Southwest
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I used 38 Super magazines for 9X23 Win. No issues at all, completely reliable. I suspect they are the same magazines other than the caliber rollmarks...
NRA Life, COTEP 640
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Old 09-03-2013, 02:10 PM
ClarkEMyers ClarkEMyers is offline
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Join Date: Jun 2004
Posts: 2,596
I too use them as interchangeable. My Colt marked 9x23 are blue which is not a problem but it's nice to have magazines to match a stainless pistol as well marked .38 Super though they be.
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Old 09-03-2013, 02:49 PM
CWarner CWarner is offline
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Location: New Mexico
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The are the same, merely marked different.

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