I just bought the K&M neck turning tool and was wondering why there is an expander plug included. What purpose does this serve, and why not just use whats in my dies already? I previously used the Lyman set up for neck turning and nothing like this there???

When the neck is expanded to approximately .001" over the turner's mandral you will understand why... ease of operation.

quote:

Originally posted by 308Sako:
When the neck is expanded to approximately .001" over the turner's mandral you will understand why... ease of operation.

Amen....

i had trouble with my neck turning too - just the other day when this knockout girl walked by.

I can understand the neck needing to be .001 over mandrel Diameter. but why a special expander and not a mandrel to match what the sizer die puts out?

quote:

Originally posted by Skygod1:
I can understand the neck needing to be .001 over mandrel Diameter. but why a special expander and not a mandrel to match what the sizer die puts out?

K&W can control both the expander and the mandrel diameters. They have no control over what might be in your sizing die.