Thats what you have to use, yes it works. The brass is so slightly different it doesn't make a difference..
6.5 Swede
Base diameter
12.20 mm (0.480 in)
Rim diameter
12.20 mm (0.480 in
30-06
Base diameter
.471 in (12.0 mm)
Rim diameter
.473 in (12.0 mm