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STI 10mm to 40 S&W


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#1 Polytech

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Posted 21 May 2012 - 11:57 AM

What is required to convert an STI Edge in 10mm over to a 40 S&W limited class gun? I know I'll have to get a new barrel, but will I have to swap ejectors, extractors, magazines? I have the oportunity to pick one up locally for a really good price, its coming with 5 mags, a holster and 700 rounds. If it will be just a barrel swap I will probably jump on it, but if it gets more involved than that I will probably just troll for a used setup.
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Polytech

#2 HI5-O

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Posted 21 May 2012 - 12:26 PM

Just a barrel will do it, maybe the frame needs to be cut for a barrel ramp. With .40 you get to use cheaper brass too.

I'm in the process to convert a Colt Delta Elite to .40 too.
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#3 Polytech

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Posted 21 May 2012 - 01:04 PM

I believe the fram is already cut for a ramped barrel.

What about the mags? Do they need a spacer? or will they run as-is?

#4 HI5-O

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Posted 21 May 2012 - 01:26 PM

mags are good, you may have to load long for reliability, no spacers needed.

then experiment with loads and recoil spring combos, lots of info in old threads here

Edited by HI5-O, 21 May 2012 - 01:29 PM.

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#5 Aircooled6racer

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Posted 21 May 2012 - 01:28 PM

Hello: New barrel as you know already. Everything else will work just fine :cheers: You could instal either a bull or bushing barrel also. Thanks, Eric

#6 stidad

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Posted 21 May 2012 - 02:27 PM

mags are good, you may have to load long for reliability, no spacers needed.

then experiment with loads and recoil spring combos, lots of info in old threads here


I load my .40 to 1.23 OAL

#7 Carmoney

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Posted 21 May 2012 - 10:27 PM

Just to second what the others have said--a couple years ago I found a helluva deal on a Glades Gun Works Caspian 1911 in 10mm on Gunbroker, installed a Kart EZ-Fit barrel, and it has made an excellent Single-Stack pistol for my son. Nothing should need changed except the barrel and maybe the recoil spring.
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#8 n2ipsc

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Posted 22 May 2012 - 01:42 PM

I'm in the process to convert a Colt Delta Elite to .40 too.


JPL Precision's doing a makeover on mine as well...

Great to see you in St. George! :cheers:
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