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Where the scope claw mount is on the receiver ring I can only read "M 1900".

Left side of receiver is marked "Oesterr.Waffenfabr.-Ges.Steyr.

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'Oesterr. Waffenfabr. - Ges. Steyr', short for Österreichische Waffenfabriks-Gesellschaft Steyr (Austrian Arms-Manufacturing Company - Steyr), was marked on the left side of the receiver of all Mannlicher Schönauer rifles and stutzen until sometime in 1926 when the company name was changed to Steyr-Werke AG.

When was it proofed? Look for numbers such as these:

The above example was proofed in 1907, the 711th arm proofed at the Vienna Proof House for that year. The stylized 'NPv' is the 'Nitro Proof' for Vienna. The 'C 9.0' indicates a 9mm bore, which would be the original chambering (9X56) for the M1905.

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Citizen of the Cherokee Nation

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On the receiver I can make out a crown over N proof mark and to the right of that is St m g. e this.

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Where the scope claw mount is on the receiver ring I can only read "M 1900".

Left side of receiver is marked "Oesterr.Waffenfabr.-Ges.Steyr.

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Photos?


'Oesterr. Waffenfabr. - Ges. Steyr', short for Österreichische Waffenfabriks-Gesellschaft Steyr (Austrian Arms-Manufacturing Company - Steyr), was marked on the left side of the receiver of all Mannlicher Schönauer rifles and stutzen until sometime in 1926 when the company name was changed to Steyr-Werke AG.

When was it proofed? Look for numbers such as these:

The above example was proofed in 1907, the 711th arm proofed at the Vienna Proof House for that year. The stylized 'NPv' is the 'Nitro Proof' for Vienna. The 'C 9.0' indicates a 9mm bore, which would be the original chambering (9X56) for the M1905.

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I got it apart and found the following proofs.
on the right side of the receiver is 953 .01 and the NPv nitro proof. On the barrel is 953 .01
C 6.5
1606G
So it looks like originally it was a 6.5x54 and has been re-bored to 8x56. I also found further underneath the barrel 7.8m/m
.57
935
16
I also found the German Crown over N nitro proof over the above numbers. The serial # 295 is on the barrel and receiver as well as other parts including the stock. The 953rd rifle proofed in 1901 makes this an old one.

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If your parents don't have children, you won't either

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I got it apart and found the following proofs.
on the right side of the receiver is 953 .01 and the NPv nitro proof. On the barrel is 953 .01
C 6.5
1606G
So it looks like originally it was a 6.5x54 and has been re-bored to 8x56. I also found further underneath the barrel 7.8m/m
.57
935
16
I also found the German Crown over N nitro proof over the above numbers. The serial # 295 is on the barrel and receiver as well as other parts including the stock. The 953rd rifle proofed in 1901 makes this an old one.

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Your Austrian proof marks indicate that both receiver and barrel were originally an M1900, a very special rifle indeed.

The rebore is unfortunate. Not only is it an alteration from its original state, but if it were still 6.5X54 you'd have readily available ammunition of a legendary round. We can only guess what magazine is in it (an M1908, or a reconfigured 6.5X54?). Will it feed well?

As it is, your options seem to be:

a) Slug the chamber and Wildcat some loads to see how they do. Perhaps the prior owner was on to something.

b) Have it rebored again to a larger cartridge that is readily available, but would still be safe for the barrel (magazine rotor would have to closely match cartridge profile).

c) Have it rebarreled (keep the original). Various 'Greek Contract' military Mannlicher Schönauers were 6.5X54 and are more readily available, as are parts (including magazines, rotors).

d*) Have the barrel lined to the original specification, get an M1903 magazine for it.

Regardless of which (or other) option you choose, consider that an M1900 Mannlicher Schönauer is to bolt action rifles what a Duesenberg is to automobiles. Though it would be expensive, a full restoration may be the way to go.

Photos?


Where is your cartridge release button located? is it between the receiver and the stock thus?
If so it is among the earliest of M1900 Mannlicher Schönauers:


Or is it surrounded by steel as in this image?:

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Cartridge release button is between the stock and receiver as in the first picture... The magazine is original as it has the same serial number on the magazine body as well as the follower.

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Don't think I want to have someone restore it.

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Much later it was rebored/rerifled and rechambered in Germany to an 8mm cartridge. The "Repair" crown/R mark is faintly visible abve 7,8 mm. It was reproofed 935 = September 1935 by the Zella – Mehlis proofhouse, shown by the ledger number 16. But you should recheck the "new" chambering: The 7.8 mm bore / 57 mm case length speak more for a 8x57 I. The minimum bore diameter of the 8x56 M-S was 7.9 mm then. In 1935 the 8x57I was a common hunting cartridge in Germany, while the 8x56 M-S was a rare bird.

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Here's a bit from the 1939 Stoeger Catalog. Perhaps not directly relevant to tact1's M1900, as that's not exactly a 'converted military rifle', but it may be of interest:

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Citizen of the Cherokee Nation

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Silly question gents?
Could tact1 get his original barrel set back say 1 or 2 threads & recambered back to 8x56MS again?
It would save to original rifle per say & be in an original MS calibre - may even fix the rotor/feed issue as these are specific.

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