Originally Posted By: ellenbr
Unless you see the number "70" stamped on the flats or on the cartridge extractor, it left the proof facility w/ 65mm +/- 2.5mm chambers.

Cheers,

Raimey
rse


Sometimes 2 3/4" on the extractor. I had a 20ga Sauer imported by Abercrombie & Fitch in the 30's that was marked that way. Not a surprise, I expect, since the gun was headed to this side of the Pond . . . where we didn't speak much metric prior to WWII.