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    Contributing Member CINDERS's Avatar
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    I have heard the Arisakaicon 7.7 can fire the Britishicon 303 cartridge but not the other way around the Japanese cartridge case being longer so would not chamber in the Lee Enfield from what I also recall the 7.7 round is semi rimmed
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    Legacy Member 728shooter's Avatar
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    Quote Originally Posted by CINDERS View Post
    I have heard the Arisakaicon 7.7 can fire the Britishicon 303 cartridge but not the other way around the Japanese cartridge case being longer so would not chamber in the Lee Enfield from what I also recall the 7.7 round is semi rimmed
    Interesting......have numerous Enfields & a quantity of mil-surp .303 ammo, will check my cartridge books to see how close it is. Has anyone else tried this or know if it will work?

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    Legacy Member vintage hunter's Avatar
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    Quote Originally Posted by CINDERS View Post
    I have heard the Arisakaicon 7.7 can fire the Britishicon 303 cartridge but not the other way around the Japanese cartridge case being longer so would not chamber in the Lee Enfield from what I also recall the 7.7 round is semi rimmed
    Don't waste your time looking 728, there is no way a 303 round could possibly be fired in a T99 as is. It would be possible to convert the 303 cases if there was no other option I suppose by reducing rim thickness/ diameter, cutting an extractor groove and fire forming but it's much simpler to reform 30-06 or 270 cases. I've even necked down 8x57mm cases. There were/are 3 types of 7.7x58 ammunition, rimmed, semi-rimmed and rimless. All rifle ammo was rimless, the other types were for MG's.
    Last edited by vintage hunter; 03-06-2015 at 01:01 AM.

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    Legacy Member bob q's Avatar
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    Quote Originally Posted by CINDERS View Post
    I have heard the Arisakaicon 7.7 can fire the Britishicon 303 cartridge but not the other way around the Japanese cartridge case being longer so would not chamber in the Lee Enfield from what I also recall the 7.7 round is semi rimmed
    e

    Except none of that is true .

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