mandrel

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...

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...

I used the search function and read until my eyes crossed but didn’t see a couple of specific questions I have. I’ve never used expansion mandrels. I’ve always used bushing dies. I can see the logic behind inside expanders vs outside so I want to give it a try to compare. I’ve looked at...