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7.65x53 Or 7.65x54?


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#1 ken98k

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Posted 05 May 2009 - 11:57 AM

I recently bought some Argentine made 7.65x54surplus ammo. Did argentina switch from 53 to 54 at some point? There is some resistance when closing the bolt on my 1909 calvery carbine.

#2 donmarkey

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Posted 05 May 2009 - 04:01 PM

Some mfrs call it 54 some 53, same round.
Don

#3 Frank46

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Posted 20 December 2009 - 08:47 AM

Some mfrs call it 54 some 53, same round.
Don


Don, this may sound funny but some years back I bought some argentine FM 7.65x54 sporting ammunition. Figured it would chamber in my '91 argie. Nope, nada and zilch. Lotta head scratching going on. Dug out a military cartridge in the same caliber and there is a difference. So dumped the powder after measuring the weight of the powder charge, resized all 75 cases and trimmed to 7.65x53 reduced the powder charge by 5 grains and reseated the soft points that were origionally loaded. I believe that there was an article
in guns and ammo some years back where the author had a argentine mauser in the 53mm length and had tried to load and shoot 54mm length ammo. Said he had talked to the company he got the rifle from. They were aware of the problem but couldn't do anything about it. I make my 7.65x53 cases from some old 1955 Israeli 8mm I bought back before the flood. Since I have a form and trim die in this caliber its not much of a problem to make cases in this caliber. I believe that the writer was using a 1909 argentine mauser at the time. Frank

#4 z1r

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Posted 20 December 2009 - 09:47 AM

Actually the case is 53.5mm. So, some call it 7.65x53 some 7.65x54. Some call it 7.65 Argentine. No difference.

I've heard SF Argie ammo tends to run long. I think it's more of a tolerance issue than anything else.

#5 Uncle Grinch

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Posted 02 January 2010 - 03:37 PM

Another less common, but possibly older version of this great cartridge is the 7.65 Belgian. It was introduced in 1889 prior to the 1891 Argentine rifle. I have a set of Herters dies marked 7.65 Belgian that I use for my 1909 Arg Calvary Carbine.

#6 aaron10

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Posted 13 January 2010 - 01:55 PM

I recently bought some Argentine made 7.65x<u>54</u>surplus ammo. Did argentina switch from 53 to 54 at some point? There is some resistance when closing the bolt on my 1909 calvery carbine.

Hi guys havent been here for a while baby and new house have kept me busy. But I went through all this awhile back. youll find norma brass is sized perfectly for your 1909 including their factory ammo. the new privipartisan brass from grafs is sized for the 1891 argentines youll have to bump shoulder back for the 1909. Since I was going to build a persian with a new lothar barrel I got headspace guages made from jgs I ordered the argentine no way would it fit either new euro cip specs. So I ordered the belgian go guage it fit the 1891 perfectly for the 1909 I had to get one .010 shorter. I read a article long ago that do to extraction dificulties in the 1891 with the puny extractor they cut the chambers .010 deeper for a looser tolerance.
both have enough clearance if brass is 2.1 in length or shorter. argentine ammo from last lots 1970 or 1981 is way out of spec brass is all over the place for shoulder placement and bullet bases are not square on the boattail someone told me this ammo was made for haiti . The only die set I use now is a old lyman and a rcbs form die cause they are the only one that will set shoulder back far enough.Even rcbs belgian mauser die set I bought wont set shoulder back enough. Hope that help yah out.aaron10

#7 ken98k

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Posted 26 February 2010 - 09:17 PM

Came across this while doing further research on this subject.
http://parallaxscuri...ewtopic/id/9659




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