Yes, it is a .45-70 now, and I load it with 70 grs of the holy black and a 410 gr paper patched bullet. I don't know what it was originally. It was a totally bubbaed gun when I got it with a not-original .33 winchester barrel. It had been hacked to a short magazine and nothing worked on it. It also had a hole drilled through the receiver ring from left to right and another drilled down from the top. Now, all welded shut. I replaced barrel, mag tube, springs, and all the wood. But it is more or less an original configuration rifle now, albeit perhaps not the original configuration. Made in 1899, the records for this specific rifle are missing. So far, it has killed one doe antelope in Wyoming and has escorted me on a black bear hunt in AK (no shots fired).
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All I can say about the BLR is that I bought it in Tucson in about 1990, and it was labeled made in Belgium. It was used when I bought it, so oldish. I was looking for a Savage 99 at the time, but could not find one in time for the mule deer season, so I bought the BLR. I do not miss that gun in the slightest.