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Steyr m-95 with weird chamber...Please help
Last edited by Zradix; 12-13-2012 at 12:28 PM.
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12-13-2012 12:24 PM
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I take it that it's still in the original 8mm Steyr barrel but the bolt has been converted to a rimless configuration. I will take a stab at this an say it may have been converted to 8x57. Many of the Hurgarian models of the same rifle were converted to 8x57 during WW2. The Austrian M95 has a bore diameter the same as the 8x57 while the Hungarian version does not. Just a thought on my part.
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Thanks for the reply Bruce.
That was one of my first thoughts too.
The 8x57 has too skinny of case body and is too long at the shoulder.
The bore does appear to be original. And measures for the .323 bullet.
Thanks again!
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I see you've used a 284 Winchester case for forming. Closest thing to that would be the 7.5 Swiss necked up to accept your 8mm bullets. 7.5x55 is small at the shoulder though about the right length. Maybe someone wished to use cases that had been fired in a K31. Shoulder would be about the right diameter after that. Closer than 284, but still not right.
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Hi andiarisaka. Thanks for the reply. I necked up a 6.5x55 for a test....sorta surprised it didn't crack..what a bulge..lol.
Like you said the s-length was about right..just too narrow.
What really gets me is the rounded shoulder this case/chamber has. It looks pretty similar to the 15 deg angle the 8x50r has...just not quite.
If nothing else I'd like to figure out what type of die I could pick up to at least get the shoulder close out of a 284 win. I've thought about a 8x66 mauser FL die and shortening it to the needed length. ( little by little with a surface grinder.) But those dies don't seem to grow on trees either.
The more I look online and in the books the more I think this is some kind of wildcat.
---------- Post added at 10:36 AM ---------- Previous post was at 10:26 AM ----------
Hey andiarisaka.. You just prompted me to learn something. I've always thought the 7.5 swiss was a necked up 6.5x55. guess not! Thanks!
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The only other rimless military case I see with that head size was 8x59 Breda. Of course it's too long, and probably fairly scarce. 7.5 x55 has a .496 rim would that fit the boltface? CH4D can make dies from your fired cases. Not cheaply, but probably about what you'd spend trying other dies.
Last edited by andiarisaka; 12-14-2012 at 10:52 AM.
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It would be snug. The bolt face seems to be the same size as my Yugo 8x57. The 284 fits fairly well with it's .473" dia. The 6.5 swiss barely fit with it's .479" dia. However the swiss's tightness also came from the rim being quite a bit thicker. That breda is an interesting alternative. I'll be giving it some thought for sure.
Thank you for the help!
This is my first "what the heck is this" rifle....kinda fun...kinda maddening..lol
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I did a little research on just the Bullet Diameter, to see if any custom caliber or wildcat stuff came up, and interestingly enough, the rifle picture in the atricle (I will post link at the bottom) is very much so similar to your rifle I thought you may find this very interesting, and perhaps lead you in the right direction with your search for the caliber etc... (QUOTE):
Paul Mossiers Model 88 Custom 8mm S Bore.323
Paul Mossiers Model 88 Custom 8mm S Bore.323 The action on this rifle is clean with strong case colour, cross hatched forward ring, extends on to barrel and also at rear of bolt, all original German proofs with no reproof, double set trigger, strong original blue on magazine/ floor plate. The barrel is a full length octagonal with a three quarter length integral rib, top of rib and barrel are hand filed and very attractive. We have cerrosafed the chamber and barrel to find it is a standard .323 diameter, S bore for readily available 8MM Mauser ammunition. The stock is a pistol grip with good finish and chequering, engraved crest plate, case coloured steel butt,14" lop, 7lbs 13oz. The scope is a steel tub with brass fittings that is adjustable and mounted on original quick detach claw mounts, scope is period correct to the rifle and appears to be original. 0207571 S155 $3100.00
Category: Rifles / Bolt Action / Continental
$3,100.00
Listed: 11/08/2012
SCROLL DOWN THIS LINK TO SEE THE RIFLE:323 Rifle - Bing Images
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The cartrige search is a very interesting topic but I cant believe that none has mentioned what a lovley rifle it is. Nice scroll work.
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