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Thread: were there more that 2 calibers in the jap rifles

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    Contributing Member mmppres's Avatar
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    were there more that 2 calibers in the jap rifles

    hi need some info i have a dozen plus different jap rifles i recieved from an eldery lady. the ammo that came with them is marked 7.7. but 2 of the rifles have a smaller bore that the other ones all have same bore size. i am going to slug the bores, should i also invest in the stuff to make chamber case?? thanks mike


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    Really Senior Member Al Diehl's Avatar
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    The 2 standard Japaneseicon calibers are 6.5x50mm and 7.7x58mm. There are some rifles made with cast receivers that were only intended to fire blanks. The bore on these may differ from the "real" rifles. Have your rifles checked by a competent gunsmith before firing.

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    Contributing Member mmppres's Avatar
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    hi these rifles all came from estate of an estate of a gun smith who was in business in the 193's on. i slugger the bore on the one rifle i was not sure of it mic'sout at 262. rifling is very light bore is dark. all number match on rifle botl an action stock was cut down but barrel is still real longwith orginal sights.

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    Contributing Member WarPig1976's Avatar
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    The rifling is "Metford rifling" it is NOT conventional rifling.

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    Quote Originally Posted by mmppres View Post
    the bore on the one rifle i was not sure of it mic'sout at 262.
    Seems not too far off. that would likely be a Type 38, but the receiver ring markings will tell the exact type. not too hard to decipher at all!

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    Really Senior Member Al Diehl's Avatar
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    Quote Originally Posted by mmppres View Post
    hi these rifles all came from estate of an estate of a gun smith who was in business in the 193's on. i slugger the bore on the one rifle i was not sure of it mic'sout at 262. rifling is very light bore is dark. all number match on rifle botl an action stock was cut down but barrel is still real longwith orginal sights.
    The 6.5x50mm would be .264<> diameter and the 7.7x58mm would be .311<>. It sounds like the one you slugged is a 6.5mm. I hope this helps.

    Al
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    Contributing Member mmppres's Avatar
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    Last edited by mmppres; 03-17-2014 at 12:47 PM.

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    Contributing Member WarPig1976's Avatar
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    It's a Type 38 with an intact mum,,, nice score!!

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    Contributing Member mmppres's Avatar
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    thank you for the info. i have so many gun an boxes to go thru an try an identify. plus decide what to keep an what to selll. still have 4 55 gallon druns full of guns an parts that he put in oil that i have no clue whats in there. so should i replace the cut down stock or just use it as a shooter.

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    Quote Originally Posted by mmppres View Post
    still have 4 55 gallon druns full of guns an parts that he put in oil
    That's going to be quite something to sort out.
    Regards, Jim

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