Author Topic: 9mm tso conversion to .40  (Read 1178 times)

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Offline midaltantic44

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9mm tso conversion to .40
« on: December 26, 2018, 02:08:04 PM »
Hi Angus

   Just noticed you sell this "CZ 75 Tactical Sports 40 S&W Top End (Complete Upper) Factory" for converting tactical spots from 9 to 40.

  Will it work to convert a Tactical Sports Orange from 9 to 40?

    Thanks

Offline oteroman

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Re: 9mm tso conversion to .40
« Reply #1 on: December 26, 2018, 02:39:27 PM »
Just like it states.


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Offline aandabooks

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Re: 9mm tso conversion to .40
« Reply #2 on: December 26, 2018, 02:52:50 PM »
They go right on.  Just need to buy mags for .40.

Offline oakengineer

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Re: 9mm tso conversion to .40
« Reply #3 on: January 01, 2019, 10:18:58 PM »
I have been pondering doing this to my Czechmate.  I bought it thinking I'd shoot 9mm major with it, but loading that is a pain in the butt.  So I'd probably be better served in limited with a .40 upper.

Offline aandabooks

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Re: 9mm tso conversion to .40
« Reply #4 on: January 01, 2019, 10:31:46 PM »
I have been pondering doing this to my Czechmate.  I bought it thinking I'd shoot 9mm major with it, but loading that is a pain in the butt.  So I'd probably be better served in limited with a .40 upper.
9mm major is not a problem.  What issues are you having?  I load about 10k a year and other than the powder being near the top, I do it on a Hornady LnL progressive.

Offline midaltantic44

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Re: 9mm tso conversion to .40
« Reply #5 on: January 04, 2019, 08:10:21 AM »
Just got the .40 upper. It doesn't have the same snug fit to the receiver as the stock 9 mm upper, but it remains quite accurate. Came with fiber optic front sight, should have done this last season!

Offline Stuart

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Re: 9mm tso conversion to .40
« Reply #6 on: January 04, 2019, 01:55:18 PM »
Just got the .40 upper. It doesn't have the same snug fit to the receiver as the stock 9 mm upper, but it remains quite accurate. Came with fiber optic front sight, should have done this last season!

the TSO slide frame fit is pretty special.
but most others upper will shoot well as the barrel lockup at rear is still  tight with the CZ design.
stuart@czcustom.com
czcustom.com

Offline sleepyhead

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Re: 9mm tso conversion to .40
« Reply #7 on: January 12, 2019, 11:06:59 AM »

Just to confirm that we a swapped TS .40 upper on a TSO 9mm frame that you'll just need .40 mags to run? Just picked up a .40 upper and the fit is quite nice still on the 9mm lower, reading varying reports on whether .40 will work in 9mm mags or .40 mags are needed to run.

Offline M1A4ME

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Re: 9mm tso conversion to .40
« Reply #8 on: January 12, 2019, 02:08:20 PM »
I've put .40 S&W rounds in an M&P 9MM magazine and run the pistol - but the top round does seem to sit a little lower, there at the top.  The M&P picked them up just fine and fed/chambered them.

Never tried it with a CZ.  I understand the question though, given the cost of new magazines for the tactical sport pistols.

Try it, see if it will do it and how reliable it is.
Better to have it and not need it, than to need it and not have it.  So, if you see me walking the dogs with my SIG 556R, its okay.

Offline Oleman

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Re: 9mm tso conversion to .40
« Reply #9 on: February 03, 2019, 07:23:00 AM »
I run .40S&W on my TS just need the mags after top end change. Gun runs perfect


Offline twowheels

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Re: 9mm tso conversion to .40
« Reply #10 on: February 05, 2019, 09:44:29 PM »
You can try your 9mm mags they just might work.  I have both top ends and once took 9mm mags accidentally while shooting the 40 top end and it worked fine. 

Offline Bossgobbler

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Re: 9mm tso conversion to .40
« Reply #11 on: February 06, 2019, 06:04:33 PM »
9mm mag will work, you just won't get as many rounds in the mag.

 

anything