Question for our experts here. The virgin cases I’ve measured are 260 rem Peterson and the bullet is Nosler ABLR 142gr. Here are the ES for each measurement.
Brass:
Length : .006”
Neck Diameter: .004”
Neck Thickness: .0035”
Weight: .8gr
Bullet:
Length: .0065”
Diameter: .0035”
Wright: 1.4gr...
I’ve started running my virgin brass through my expander ball/bushing die for my 6GT before loading, and then when sweating bullets about one in every 10 rounds i suddenly feel a lot less resistance in the seating die and the bullet seats like 4-5 thousandths more than the rest. Is this just the...