10.3 X 60R, aka 10.3X60R Swiss is the Swiss version of the British 450/400 2 3/8" NE.
Will see it listed as either of the above calibres.


10.3X60R 2 Die Set
2 die set includes full length sizer and seater.

Designed for a .415 bullet.
Shellholder required #348 in special shellholder category
Shellholder sold seperately