I am thinking it is .303 British.
I don't need to worry about trimming with my SMLE because the chamber is so sloppy and there is no way the brass is going to last long enough to need it.
With neck sizing dies I don't have to even worry about lubing it.
I don't need to worry about trimming with my SMLE because the chamber is so sloppy and there is no way the brass is going to last long enough to need it.
With neck sizing dies I don't have to even worry about lubing it.