SAA GunSlinger
New member
so I recently purchased an old ww1 Gewehr 98 made in Danzig 1902 but I know that there are two different type of 8mm. 8mm Mauser "R" or 8x57JRS - .318 bore (which is actually 7.92mm) and 8mm Mauser "S" bore, 8x57 JS, 7.92x57mm JS, etc. This has a .323 inch diameter bullet. The rifle has an "S" stamped on the barrel which from my understanding means its chambered in 7.92mmx57mm JS. Can I safely shoot modern 8mm mauser and or surplus 8mm from 40's and 50's?