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another topic 6.5/50mm

countershaft
I'd like to build a 6.5/50 mm rifle , what suggestion does anyone have for the "action" to use ?
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12 comments

Date Votes
  • Contender Man
    50 mm? Do you have any idea what the working pressure would be and the size of the barrel you would need? Heck even if your talking 50 cal. and not mm the pressures are gonna be rugged. Where did you come up with this idea?

    If you only have time to do two things so-so, or one thing well ... do the one thing!
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  • Pinhead
    I think I would pick up one of the Yugo model 48 or 48A(a model 48 with stamped floorplate instead of milled) or a VZ24, all of which are on the market in force right now and at very good prices. I think Shaw or McGowen will put a barrel on it for a decent price. Probably the cheapest way to go would be to find a .243 or .25 caliber used rifle with a bad barrel at a modest price and have it rebored to 6.5 X 50mm by Redmon or one of the other barrel re-boring outfits. Re-boring would save you the cost of re-stocking, possibly having to tap the receiver for scope mounts, bolt alteration to clear for a scope, etc. I know some people don't like re-boring but I have seen far more good shooting re-bored rifles than failures. Good luck whichever way you go. I will be glad to answer any questions I can to help you. Pinhead
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  • Pinhead
    Hey Contender Man, the man asked about a 6.5 X50mm cartridge, read 6.5 Jap. That is a case 1.984 inches in length, rim dia. of .466, which makes it a slightly smaller case than the .308 winchester. His question of 6.5/50mm(also expressed as 6.5 X 50mm) is right on; the same as 8 X 57mm or 7 X 57mm; all expressed in metric terms. Norma makes excellent cases for the little 6.5 X50 mm and I think that make Hornady was to start making them also. Pinhead.
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  • countershaft
    You are right on pinhead, that's exactly what I meant a 6.5 Jap. Now the original question , what bolt action should I use to build such a caliber ?
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  • temblor
    Action doesn't matter as far as pressure goes as this is a low pressure round and it is short so lengthwise it will fit in most anything, but the casehead size is oddball(.466 I think) and it is semi-rimmed I believe.The easy way would be to find an old Jap. Arisaka action that already has the right boltface size and would probably feed better with the original magazine carrier,etc.-- The Mausers boltfaces are bigger.--- Be carefull if you use an Arisaka Jap.action though. Towards the end of WWII the Japanese ran out of good steel for their guns and some of the receivers are made of cast steel which have been known to blow up during demonstrations...................Good Luck.....[8D]
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  • rufe-snow
    The Remington .260 cartridge is virtual identical to the 6.5 x 50mm Japanese Arisaka cartridge. i.e. bullets are the same diameter, case length, case capacity etc.

    The only basic difference is that the .260 Remington is based on the .308 cartridge, necked down to 6.5mm.

    To my way of thinking, it would be a lot easier to buy a commerical barreled action chambered for the .260 Remington, then trying to rebuild/sporterise a old Japanese military rifle or some Yugoslav Mauser.

    luger_4.jpg
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  • jonk
    FYI- it is common practice to form 6.5 jap brass from .308. The extractor grabs the rimless round, no problems. So don't worry about it. But you'd probably need a custom reamer and I just have to question why, when other 6.5 rounds are available that are excellant and easier to get reamers, gauges, etc. for.

    "...hit your enemy in the belly, and kick him when he is down, and boil his prisoners in oil- if you take any- and torture his women and children. Then people will keep clear of you..." -Admiral of the Fleet Lord Fisher, speaking at the Hague Peace Conf
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  • Contender Man
    9:01:36 PM - It was 1 min and 36 seconds past "grandpa's" bed time and I should have been in bed instead of reading posts with my head up my bu++ ... guess it's getting close to time to "head off to the home" Sorry 'bout that [B)]


    If you only have time to do two things so-so, or one thing well ... do the one thing!
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  • Pinhead
    Hey Contender Man, wait until I get my cane and bottle of Geritol and we'll go on down--bout where I belong. Now what did I do with my glasses and teeth? Pinhead
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  • Contender Man
    your on ... a senior version of "Settin on the Dock ..."


    If you only have time to do two things so-so, or one thing well ... do the one thing!
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  • v35
    Dont throw any money into any Jap action.
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  • Pinhead
    Lets lay to rest one of the myths that float around in the rifle world. The Jap type 38 action made before the start of WW II was stronger then either the mauser, the Brit Enfield, or the 1903 Springfield. It is in fact a stronger, simpler version of the 98 mauser. In blow up tests in the 50's Parker Ackley ran controlled blow up tests to see which military action was the strongest--the jap type 38 actions that he tested were still accepting high and high pressure blue pill loads long after the mausers and springfields had blown up. I think I remember somewhere in the neighborhood of 83,000 PSI or better. They have the most sophisticated heat treatment of all the military or civilian rifles made before or since. The two biggest drawbacks to the type 38 were/are a 31" barrel and a totally usless dust cover. Also they are a bit larger than they really need to be. The bolt is lightning fast to take down, remove the bolt from the action, push in on the rear safety collar and rotate, it come right out firing pin and all. Ok, i'll go back to sleep now.
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