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Old May 5, 2016, 05:28 PM   #1
TCgungeek
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BRNO VZ 24

I just picked a zbrouovka brno a.s.vz.24 rifle and I can't find out what caliber it is. serial # XR20805. I believe its a 8mm but not sure and any information will be greatly appreciated.
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Old May 5, 2016, 05:48 PM   #2
James K
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Unless it has been altered, it's a pretty good bet the caliber is 8x57JS. The VZ24 was available in 7x57 and 7.65x53, but those are pretty rare.

Of course, many milsurp rifles have been reworked, re-barreled or re-chambered over the years, so if there is doubt, have a gunsmith run a chamber cast to make sure.

Jim
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Old May 7, 2016, 08:25 PM   #3
Ernest T
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As noted above it should be 8 mm unless its been modified. I've got 2 and they are both very nice shooters.
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Old May 8, 2016, 11:20 AM   #4
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http://aliparsa.com/brno/brno.html

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Old May 8, 2016, 12:53 PM   #5
T. O'Heir
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Slug the barrel to be sure. 8mm will slug at .323". 7.65mm Argentine at .313". 7mm Mauser at .284". The crest on the receiver will help too.
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Old May 11, 2016, 01:44 AM   #6
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After the Nazis took over Czechoslovakia, they put the Czech arms industry to use arming their forces. A couple of the Panzer divisions that invaded France and later Russia were equipped with Czech built tanks.

The vz 24 in 8mm Mauser was a "substitute standard" for a lot of German units. I have one with WaffenAmt markings. Good gun, very slightly different from the Mauser built K98k.

Recommend taking it to a gunsmith to have the headspace checked, and caliber verified. If its still in its military trim, odds are very high its an 8mm Mauser (8x57JS)
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Old May 11, 2016, 02:26 PM   #7
James K
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It might be as accurate to say that the British and the French gave Czechoslovakia to the Germans. Anyway, the Germans continued VZ-24 production for a year or so, but as soon as they could converted Czech production to the standard K.98k.

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