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New guy here. I have what appears to be a Schmidt-Rubin 1889, chambered in 45-70. I have been unable to find any info on anyone rebarreling to this caliber. Looks like a Williams front sight ranp and blade. Original rear sight. Anyone have any information on this thing? Stock butt plate and bolt have same ser # as receiver

20221127_143141.jpg 20221127_143132.jpg
 
If the serial puts it correctly in that date range, it's most definately not a "factory" barrel/re-barreling and I can't say I've run across any like that before. Sorry. Gonna follow the thread though. Interesting piece!


If I had to guess.. I would say it's likely something @arakboss 's great great grandfather might have put together.




🤣
 
If the serial puts it correctly in that date range, it's most definately not a "factory" barrel/re-barreling and I can't say I've run across any like that before. Sorry. Gonna follow the thread though. Interesting piece!


If I had to guess.. I would say it's likely something @arakboss 's great great grandfather might have put together.




🤣
Hilarious:)
 
Just a side note, but for the period... you might want to be sure it's actually 45-70 and not 11mm mauser. I mean... Swiss service rifle... 11mm european round of the same period... Might could be(?)
 
Doesn't the 1889 Schmidt-Rubin have a weaker action than the K31? I think the 1889 was made for black powder loads and the K31 was beefed up for smokeless loads? Just going on memory here so I suggest you do some research. In the mean time I would stick to black powder 45-70 loads and stay away from high pressure smokeless loads that are sold these days. (45-70 was originally a black powder cartridge and the old black powder guns aren't safe with smokeless loads).

Feel free to correct me if my memory isnt accurate.
 
Last Edited:
Doesn't the 1889 Schmidt-Rubin have a weaker action than the K31? I think the 1889 was made for black powder loads and the K31 was beefed up for smokeless loads? Just going on memory here so I suggest you do some research. In the mean time I would stick to black powder 45-70 loads and stay away from high pressure smokeless loads.

Feel free to correct me if my memory isnt accurate.
The 1889 was developed using early smokeless powder, a nitrocellulose mixture iirc. Most reloaders load for it with smokeless powder, using 30-40 krag data. GP-90 (the swiss load for the 1889), was loaded to 39,000 PSI.

It'll handle 45-70 just fine
 
Doesn't the 1889 Schmidt-Rubin have a weaker action than the K31? I think the 1889 was made for black powder loads and the K31 was beefed up for smokeless loads? Just going on memory here so I suggest you do some research. In the mean time I would stick to black powder 45-70 loads and stay away from high pressure smokeless loads that are sold these days. (45-70 was originally a black powder cartridge and the old black powder guns aren't safe with smokeless loads).

Feel free to correct me if my memory isnt accurate.
Original cartridge was 7.5x53.5. An obsolete round now. But I believe you are correct in that this action does not hold up to high pressure rounds. I would only use the low pressure 45-70 loads(28,000 cup loads). I believe Remington still makes the low pressure loads, as well as the "cowboy" loads for competition would be ok.
 

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