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Old 03-23-2009, 11:09 PM   #1
Join Date: Jan 2002
Posts: 24
9x23 and aluminum frame

Thinking about converting a kimber aegis 9mm.
Question will an aluminum frame gun take the punishment of a 9x23?
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Old 03-24-2009, 04:19 AM   #2
Join Date: Nov 2001
Posts: 951
Re: 9x23 and aluminum frame

Q uestion could also be ask...not will an ALM. frame handle the 9x23, but how many rounds will it handle before becomein' battered beyond usefull service, if indeed the alm. frame would batter or crack in the first place...I can't answer this, I have no usefull data to go on, reason bein' I've never built or seen a 9x23 with an aluminum frame, any thing I write would just be a guess, second thought there is, I don't have enough data to guess with

I'm not in favor of any light weight pistols, granted the fact I seldom carry a pistol 8 hrs at a strecth, At F H O time I get faster HITS and SPLITS ( major power factor or heavierloads) with a standard weight 1911 than I do with the lighter 1911s like the Smith scandium(sp) frame....I'm not downin' lightweight pistols, They don't fill the criterion I set for a pistol to get My happy A$$ out of a JAM

Unless others join in that shoot alm frame 9x23 WITH GOOD DOCUMENABLE DATA You are on Your own...Which in My opinion is no reason not to venture out...Hell Try It.....In the end if it breaks or batters You are out the cost of the frame and that is how much money, $250.00?????

Bill Caldwell
Old 04-28-2009, 10:23 AM   #3
Join Date: Nov 2003
Posts: 571
Re: 9x23 and aluminum frame

Hmm, I have three 1911 steel frame 9x23 pistols and they don't seem to recoil as much as a 1911 in forty or forty-five. If power factor would be any indication of abuse to the frame...the forty and forty-five would cause more stress. I think it would be a go and hold up as well as any chambering with an aluminum frame.

Wild Bill, do you think that line of thought is correct?

A carry gun is carried often and shot seldom, in most cases. The 9x23 is one heck of a cartridge and should make a super carry gun even if shot a bunch.

I'm having a smith build a STI 2011 Commander length 9 mm for a carry gun. It should be ready to go any day now. It will have an aluminum frame and it weighs 26 ounces empty.

Old 07-15-2009, 07:56 AM   #4
Junior Member
Join Date: Jan 2007
Location: Rim of Yellowstone Valley
Posts: 3
Re: 9x23 and aluminum frame ... yes.

Taking into account the above comments, I am going to do it.

I have a preoccupation with lightweight frames (especially when they were in short supply) and find the "carry a lot/shoot a little" will fit just fine. All my LW 9mms are ramped and tho I have not been shooting my 9x23 with 9mm & lt. spring, I will plan on trying that. I have no obsession with the .40-.45 power 1911s, tho I have same, and definitely prefer plinking loads that are capable of killing skunks and badgers and such. I do try to carry all the time when doing field work, etc. so the weight is a pivotal consideration. So it looks like I can have the handy, lightweight, low recoil of a 9mm and in a minute, be able to change it to a fire-breathing +P magnum ... and then back again.

(I am glad to hear Bill has been shooting 9's in his 9x23 w/o problems, as I have been hesitant to try it for the same reasons we have trouble with 22 LR following 22 Shorts or .357's following lots of .38's. The spring change will be a good time to remember to clean the chamber and check it for erosion, etc.)

I love lightweight 1911's and love 9mm, having every size from EMP to 6" models. No cracked frames or any of the old wives tales, and no real slop in my favorite - a comped, dotted Steel Challenge gun having 40,000+ rounds through it.

That's my one bit (12.5 cents)

~ E Mont
Old 07-15-2009, 08:54 AM   #5
Join Date: Nov 2003
Posts: 571
Re: 9x23 and aluminum frame

I had a forty-five caliber 1911 with a off brand aluminum frame. It was very reliable and accurate. I carried it and brought it to bowling pin matches as an extra gun. Loaned it to many that wanted to shoot and didn't have a forty-five. I really don't know how many rounds went through it, but it was plenty. Anyway, bowling pin loads are stout and it never bothered this frame. I eventually broke it down and robbed parts for another project. I have been considering building it back up into something...just don't know what I need.

Back to the 9x23. My STI 9 mm (aluminum frame) carry gun is completed and it is sweet. I was talking to my gunsmith the other day and told him to get a barrel and chamber it for the 9x23 and fit it to my pistol. That way I'll have two guns in one.
Old 07-15-2009, 08:48 PM   #6
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Join Date: Jan 2007
Location: Rim of Yellowstone Valley
Posts: 3
Re: 9x23 and aluminum frame

Yah ... now that does sound sweet.

Do pix of when you get it done/detailed. (sights?)

~ E Mont
Old 07-16-2009, 06:48 AM   #7
Join Date: Nov 2003
Posts: 571
Re: 9x23 and aluminum frame

I don't know how to post photos, but if you send me your e-mail address I can send you a few shots and maybe you can post them.

It has a custom made front sight .10 and a Heinie rear sight. I had the smith install STI internals, KKM barrel, Brown Grip safety, Wilson Thumb safety, Wilson Extractor and firing pin. I put the small STI mag well on the pistol and am not sure if it will stay. (This is a carry gun)

When I picked it up it had an adjustable STI sight that resembles a Novak. I had ask for the Heinie because I have never liked the Novak sights. I shot it and it was alright, but not what I had wanted and the smith changed them. (I have not shotit since the Heinie sights were installed) Shooting off hand, at 25 yards, the pistol will keep all shots on a 3x5 index card. It could probably do better than that if someone else was shooting it, but that is about the best I can do. I have a Ransom Rest, but no STI inserts.

I have not had the slide finished yet because I haven't made up my mind on the finish. It is polished to the point that it looks like chrome. That is just the way this smith finishes his guns that are not hard chromed.

I would like to add that this is one of the softest shooting 9 mm pistols I have ever shot. I thought it would be a handful and am very surprised it is not. Maybe the wider grip spreads the recoil impulse, I don't know.

Old 06-05-2011, 10:23 PM   #8
Join Date: Jun 2011
Location: usa
Posts: 57
kColt quit making alloy frames in Super and 9 and steel ones in 10mm due to the classic weakness of the 1911 design. The tiny slice of metal below the mainspring housing(MSH) retaining pin. When this part of the frame breaks out, you no longer have a firable gun. I found a way, years ago, to take all the stress off of this part of the frame, and if anyone wants to know about it, just ask and I will tell you.
Old 06-06-2011, 12:15 AM   #9
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Location: near Huntsville, Ala.
Posts: 707
Okay SpeedD, how?
Old 06-06-2011, 01:36 PM   #10
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Join Date: Mar 2010
Location: Louisiana
Posts: 526
I've broke a lot of things and parts on a 1911 but I've never broke that CLASSIC WEAKNESS TINY SLICE OF METAL.....John Tee ....You good with math.....With a 23 pound mainspring there would be at most 23 pounds of pressure on that Classic Weakness Tiny Slice of metal or am I wrong

Wild Bill

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