In my limited experience, when the bore diameter is marked as 108/49, in gauge measurement, the groove diameter often is .362-.364", which would work with 9.3x74R while a little tight. The 9,3x72R Sauer& Sohn vs. 9.3x74R deal was in an actual Sauer & Sohn BF. The Sauer chambering is rare enough in Sauer guns and would be very rare in a non-Sauer rifle. It seems that the factory crimp with some makes of 9.3x74R ammo reduces the neck diameter enough that a cartridge may chamber but not expand enough to release the bullet. If there is a question, the bullet in a fired case neck test (like 8x57IR-IRS test) may provide a quick answer. Other indications could be a Sauer chambered rifle may not stabilize bullets longer than 296 gr. RN which may strike the targets sideways (the Sauer cartridge used a 185-gr bullet with a slower twist barrel), A blown primer, or failure to chamber a non-crimped cartridge. A chamber cast would clear any doubt. The butt stock adornment seems to be an attempt to cover up a stock extension (black walnut?).
Mike
Last edited by Der Ami; 12/14/22 11:33 AM.
