I think I have what you need . PM me and I will look to see. I think it is a Lyman hand reamer. I also have the RCBS swage set if interested. I use the Dillon now.
A 30cal will reach out and touch them. A 50cal will kick their butt.
NRA Life Member
SCI, Manteca Sportsmen Club, Coalinga Rifle Club, Escalon Sportsmans Club & NAHA Member