Loading for a throated 260 today, 3.095" OAL instead of 2.8".
The action is 1903 Turkish Mauser that was Made in Obendorf Germany 1903-1905.
It was converted from 7.65x53 Mauser to 7.92×57mm Mauser in the 1930s by the Turks.
Then converted by me in 2021 to 260 long.
To be tested in 2 weeks.