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7.62x45

Discussion in 'Firearms Research' started by yockey, Jun 9, 2003.

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  1. yockey

    yockey Member

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    I have looked high and lo for specific load data for this oddball and have come up at a loss! Can it be possible that this forgotten caliber has no reload following?
     
  2. Mike Irwin

    Mike Irwin Member

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    I don't even know of any brass being avilable for it!

    The power curve was almost identical to the 7.62x39, so I'd suggest starting there.

    Because of the larger case pressures and velocities will be lower, so if you start in the middle of the 7.62 loading information and work your way up VERY carefully you should be able to arrive at a decent load.
     
  3. Fed168

    Fed168 Member

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    Calling Gewehr 98!
     
  4. Apple a Day

    Apple a Day Member

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    I don't know if this helps but I have an old edition of Jane's Infantry Small Arms, 1993-1994. They have a listing for the 7.62 Czechoslovak M1952 (7.62x45). Data as follows:
    Base diameter 11.2mm
    Mouth diameter 7.8mm
    Case length 44.9mm
    Overall length 60mm

    Muzzle velocity: 744 m/s
    Muzzle energy: 2325 Joules

    There are two listings for bullets: Ball and tracer, both listed as M52 and both 8.4 grams.

    I am sure this isn't nearly as much as you wanted but hopefully it will give you a place to start.
    Luck
     
  5. Sam

    Sam Member

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    Yockey,
    Look for a fellow with the name of POGO and your questions will be answered.

    Sam
     
  6. Jim K

    Jim K Member

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    Start with 7.62x39 loading data, as the figures are about identical. You can go up a little, but the choice of the round by the Czechs was political (just to show defiance to the USSR) and not because of any marked superiority to the Russian round.

    Jim
     
  7. Sam

    Sam Member

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    Yockey,
    I messed up and forgot to tell you to look for POGO at thereloadbench.com/
    He has case info and data

    Sam
     
  8. yockey

    yockey Member

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    Thanks for the help!:)
     
  9. Gewehr98

    Gewehr98 Member

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    Crap! How did I miss this thread?

    [NOTE: Handloading data, unpublished at that, is being listed here. Standard caveats apply]

    Yep, it's fairly straightforward to reload, once you get the brass for it. (I make and sell the stuff, if you don't want to go through the hassle of making it yourself)

    Jim Keenan hit the nail on the head. Start with reloading data for the 7.62x39, and work your way up from there. I'm a big fan of Accurate Arms 1680 for both the 7.62x39 Soviet and 7.62x45 Czech rounds. The common 123gr bullets for the 7.62x39 work fine, and I settled on 29.0 grains of AA1680 behind that bullet for my 7.62x45 Czech handloads. You want enough gas pressure to cycle the VZ-52's action, and also stabilize the bullet. I had some loads that keyholed because the bullet wasn't moving out and spinning fast enough, believe it or not!

    Here's what the completed round looks like, next to some parent brass, an empty boxer-primed case, and an original milsurp steel-cased round:

    czbrass4small.gif

    Here's more info on the gun and ammo (shameless plug):


    Gewehr98's Czech VZ-52 website
     
  10. Wanta B

    Wanta B Member

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    Don't look now but it's back from the dead! Ooops,too late!:eek:

    So,I was thinking about just such a cartridge and remembered that it is already hear.How does one make it?

    My idea was to take an AK of some sort and have it bored to use .308 brass cut down and necked to be x45.Use .223 AK mags,say the 40s to get close to 30rnds...Just kicking ideas around.:scrutiny:

    Wanta B
     
  11. jimparks

    jimparks Member

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    I'm loading 27 grains of 4198 with 123 grain winchester bullets. I also have been pulling bullets out of dud steel case and using them They seem to weigh out at 130 grains +/- 2 grains. Same load. Works okay.
     
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