Author Topic: ts 9mm to 40 s&w  (Read 417 times)

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Offline ckohler3

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ts 9mm to 40 s&w
« on: May 12, 2017, 06:28:15 PM »
I've been reading that to swap a 9mm to 40 s&w all you have to do is swap the barrel and magazine. I could do that in a minute or two. Just want to make sure this info is correct. The only other difference I see is on my 9mm the recoil spring sits in a plastic sleeve. on the 40 s&w there is something called a buffer instead.

Offline Earl Keese

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Re: ts 9mm to 40 s&w
« Reply #1 on: May 12, 2017, 07:00:22 PM »
I think you can go from
40 to 9mm, but not the other way around. .40 won't fit the breach face of the 9mm slide.

Offline Tok36

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Re: ts 9mm to 40 s&w
« Reply #2 on: May 12, 2017, 08:19:54 PM »
^^ This is also how I understand it.
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Offline zx9rt1

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Re: ts 9mm to 40 s&w
« Reply #3 on: May 12, 2017, 09:49:01 PM »
This is true and verified. I know, I tried it.


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Offline ckohler3

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Re: ts 9mm to 40 s&w
« Reply #4 on: May 13, 2017, 11:20:50 PM »
thank you. I see that now. a 40 s&w upper is around $500 from cz customs. I guess that's the way to go.

Offline orthikon

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Re: ts 9mm to 40 s&w
« Reply #5 on: June 12, 2017, 10:52:18 PM »
This is true and verified. I know, I tried it.


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How many rounds have you tested it with?

Any issues?

Offline zx9rt1

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Re: ts 9mm to 40 s&w
« Reply #6 on: June 13, 2017, 07:56:48 AM »
You can not convert from 9mm to 40 S&W. However, if you have a 40 S&W, it will convert to 9mm. I found that out the hard way.


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Offline orthikon

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Re: ts 9mm to 40 s&w
« Reply #7 on: June 13, 2017, 11:19:43 AM »
You can not convert from 9mm to 40 S&W. However, if you have a 40 S&W, it will convert to 9mm. I found that out the hard way.


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How many rds have you done with the 40 to 9 conversion?

Any issues?

Offline zx9rt1

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Re: ts 9mm to 40 s&w
« Reply #8 on: June 13, 2017, 11:20:33 AM »
No issues


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Offline muncie21

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Re: ts 9mm to 40 s&w
« Reply #9 on: June 14, 2017, 02:23:01 PM »
If you put a 9mm barrel in a .40 slide, won't the barrel hole in the slide be too big?  Or do the 9mm barrels have an oversized OD?  Also, in my Glock days of playing the 40-9 conversion game, there was a slight difference in the extractor. 

Online cntrydawwwg

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Re: ts 9mm to 40 s&w
« Reply #10 on: June 14, 2017, 02:29:30 PM »
The SP01 .9mm and .40 have the same OD.
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