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Want to be Sure: Is 8mm the same as 7.92x57?

Discussion in 'Rifle Country' started by SwearNoAllegiance, Mar 13, 2009.

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  1. SwearNoAllegiance

    SwearNoAllegiance Member

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    Last edited: Mar 13, 2009
  2. Dr. Tad Hussein Winslow

    Dr. Tad Hussein Winslow member

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    That is correct - "8mm Mauser" is aka "8x57mm" aka "7.92x57mm".
     
  3. SwearNoAllegiance

    SwearNoAllegiance Member

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  4. TimRB

    TimRB Member

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    The $.01 shipping makes this a fine deal, considering that surplus 8mm is drying up. You might consider buying a bunch. You won't regret getting a VZ24 -- it's fine-shooting rifle.

    FYI - That ammo, and all other surplus 8mm ammo you're likely to find, is corrosive. Clean accordingly.

    Tim
     
  5. Duke of Doubt

    Duke of Doubt member

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    Keep in mind that there are many variants OF 8mm Mauser/7.92x57. J, JS and others, with various loadings of powder and bullet, and that's not even getting into the machinegun loads out there. Research what you have and research your rifle for compatibility.
     
  6. saturno_v

    saturno_v Member

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    The original denomination for the round is 7.92x57 I and 7.92x57 IS.

    In reality the two cartridges are different, the old "I" (or sometimes named "J") was .318" in bullet diameter and was loaded at lower pressure, the newer 7.92x57 IS (or JS) where "S" stands for "Spitzer" is a higher pressure round with a bullet diameter of 0.323.

    The name "8 mm Mauser" is an American synonym for the cartridge loaded with 170 gr. 0.323' bullets. Because of the potential use of the cartridge in older (.318" caliber) and weaker "I" bores, the "American" 8 mm Mauser is loaded for safety reasons at very low pressures, somewhat even lower than the old spec 7.92x57 I cartridge.

    As far as I know, commercially only RWS and Norma load the 7.92x57 at full "IS" specs.

    The K98 should be perfectly safe to use with the higher pressure round. As a matter of fact, the K98 can handle the even more powerful Luftwaffe (German Air Force) rounds, the so called "machineguns ammunition", without any issues.

    In a few words, while the full spec 7.92x57 IS is equal and in some loadings even a tad more powerful than the 30-06, the commercially available "American" 8 mm Mauser is not....is closer to a 30-30 than an '06.
     
    Last edited: Mar 13, 2009
  7. schwedenmauser

    schwedenmauser Member

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    RWS, Norma, Blaser, Sellier&Bellot, Brennecke laod the 8x57is with full power(CIP spec); Privi Parizan has two lines: One called 8mm Mauser (= SAAMI spec means low power US conform loads) and one called 8x57is with lot more power (CIP spec).
     
  8. JonB

    JonB Member

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    Wow. 38 cents per round now for surplus. I tried to sell 1200 rds awhile back for around 20 cents per round (on stripper clips) and no one wanted it. Now it's going for .38??!
     
  9. Col. Plink

    Col. Plink Member

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    SwearNo: Getting a VZ-24 soon and already ordered the same deal you did. You're a smart fellow! ;) What do you know about the VZ-24? I've been looking for write-ups and such but haven't had much luck. All I know about the one I'm getting is it's excellent condition and that it was one of over a half million made for Romanians fighting the Soviets on the Eastern Front.
     
  10. Robert

    Robert Moderator Staff Member

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    The VZ24 is a Czech made Mauser variant. The only real difference between the K98 and the VZ24 is the straight bolt handle on the VZ24. And from what I understand almost all, if not all, of the parts interchange. I know my K98 with the turned down bolt handle fits my VZ24 and the VZ24 bolt fits the K98. Both are "long action" receivers and not the "intermediate" length found on the M48.
     
  11. Mr_Pale_Horse

    Mr_Pale_Horse Member

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    Might as well order some Sellier & Bellot ammo, Czech ammo for a Czech gun :D
     
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