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  #1  
Old 07-24-2010, 09:38 AM
ComradeKronstadt ComradeKronstadt is offline
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Default 7.62x25 to 9mm Conversion

I have a Romanian TTC in 7.62x25 and was considering buying the 9mm barrel for use in this gun.

If anyone has done this I have a few questions:

1. Does the bushing always need to be replaced? I've heard yes/no depending on the the new 9mm barrel.

2. I know the 7.62x25 mags will take the 9mm cartridge (though with extra space), but is this reliable? Failure to feeds? Or is just better to get the 9mm mags with the spacer?

3. Anyone fed 9mm JHP? How'd it go?

4. Just overall how does it shoot? As accurate as 7.62x25? What about recoil differences?

I love this platform in its rugged simplicity and its actually very comfortable to concealed carry for me. Adding 9mm capability would make it more versatile.

I know an easy option would be to get the Norinco version in 9mm, but I'm curious about the conversion first.

Спасибо

Last edited by ComradeKronstadt; 07-24-2010 at 02:15 PM.
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  #2  
Old 07-24-2010, 04:51 PM
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einheit 13 einheit 13 is offline
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Its just a barrel swap. You may have issues with the mags feeding correctly, but that is because of the extra space. Why would you want a conversion?? The x25 will out do the 9mm in price and performance......
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Old 07-26-2010, 05:53 AM
ComradeKronstadt ComradeKronstadt is offline
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Just thinking it would be nice to be able to run 9mm - especially with the diversity of ammo versus the tok stuff (tok hp is nowhere to be found).

But yes, I do love the performance of the tok round.
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Old 07-26-2010, 04:36 PM
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Quote:
Originally Posted by ComradeKronstadt View Post
Just thinking it would be nice to be able to run 9mm - especially with the diversity of ammo versus the tok stuff (tok hp is nowhere to be found).

But yes, I do love the performance of the tok round.
An alternative is 7.63 Mauser HP. The 30 Tok is just loaded hotter. Same round. And so far, Fiocchi (SP) 88gr HPs are the only ones I've seen around for a while.
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Last edited by einheit 13; 07-26-2010 at 08:30 PM.
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Old 07-29-2010, 03:57 PM
ComradeKronstadt ComradeKronstadt is offline
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You can fire the Mauser round reliably in the Tokarev? No safety or feeding issues?

If so, that's a good solution.
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  #6  
Old 07-29-2010, 04:12 PM
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Originally Posted by ComradeKronstadt View Post
You can fire the Mauser round reliably in the Tokarev? No safety or feeding issues?

If so, that's a good solution.
They are the same cases. The 30 Mauser was patterned after 7.65x25 Borchardt. Some slight variations in rim thickness between the 30 Mauser and 30 Tokarev, but will work just fine. You can not, however, shoot x25 through a 7.63/30 Mauser. Too much pressure.
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Last edited by einheit 13; 07-29-2010 at 04:17 PM.
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Old 10-04-2010, 09:55 PM
RedArmyGunner RedArmyGunner is offline
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Einheit are you 100% sure on the Mauser ammo cuz I'm thinking about trying it also I see your in hampton I'm in Smithfield we should have a commie gun range day lol.
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Old 10-08-2010, 02:28 PM
Wulfren Wulfren is offline
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I'll double check my resources, but I was under the impression they were not compatible any at all due to the excessive difference in the pressures in the ammo. IE Putting x25 in a C96 was begging for an explosion & and implosion or unintentional removal of the slide using .30 Mauser in a TT/CZ 52


Its the same idea of a 9mm Largo & .38 Super..they are close, but no cigar

If i'm wrong I apologize up front, but that's something I've lived by most of my life

~Wulf
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Last edited by Wulfren; 09-19-2011 at 05:58 PM.
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  #9  
Old 10-08-2010, 05:27 PM
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Originally Posted by Wulfren View Post
I'll double check my resources, but I was under the impression they were not compatible any at all due to the excessive difference in the pressures in the ammo. IE Putting x25 in a C96 was begging for an explosion & and implosion or unintentional removal of the slide using .30 Mauser in a TT/CZ 52


Its the same idea of a 9mm Largo & .38 Super..they are close, but no cigar

If i'm wrong I apologize up front, but that's something I've lived by most of my life

~Wulf
30 Mauser is the less powerful. The Finns actually purchased millions of rounds from FN during the Winter War to use in captured weapons. Some Chinese x25 was loaded identical to the 30 Mauser for use in the Type 51/64 suppressed SMG. they are interchangable to the CZ and TT-33. The x25 will destroy the C96 and Astra 900s. TT rounds have a larger bullet.

7.62x25
Bullet diameter 7.87 mm (0.31 in)
Neck diameter 8.4 mm (0.33 in)
Shoulder diameter 9.4 mm (0.37 in)
Base diameter 9.7 mm (0.38 in)
Rim diameter 9.9 mm (0.39 in)

30 Mauser/7.63x25
Bullet diameter 7.82 mm (0.308 in)
Neck diameter 8.4 mm (0.33 in)
Shoulder diameter 9.4 mm (0.37 in)
Base diameter 9.7 mm (0.38 in)
Rim diameter 9.9 mm (0.39 in)
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Old 10-14-2010, 12:27 PM
Wulfren Wulfren is offline
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Ah, ok that makes sense. I've lived with half truth and half confusion then (thats totally typical) Thank you for the info

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Last edited by Wulfren; 09-19-2011 at 05:59 PM.
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