bushing die

So, I plan on discussing this in a video at some point, but figured if you had the time/motivation to do some reading, I'd share a topic/discussion point regarding SD/ES and my thoughts on the matter, specifically how to reduce it. This is the more advanced version of my basic load development...

I have a set of the Whidden Gunworks click adjustable full length bushing dies for 300 prc id like to get rid of. Comes with a bushing set. There’s like 6 different bushings in there, and the shoulder bump gauge, along with the micrometer seating die and have custom seating stems for 215 Berger...

So this is my first time using the expander mandrel. I just got in the mail a whidden gunworks click adjustable full length bushing die for my 300 prc. I ordered the Sinclair expander die and the 30 cal carbide mandrel before the sizing die. To my understanding, people are just taking the...