I missed this my first look through this thread, but I'm glad to see my assumption confirmed.try using the kak on a 300 blackout. One range trip and i understood why it was called the blade.
Just wanted to throw this out there (didn’t see a thread on it, but also didn’t look too hard) but atf changed how you measure oal of a brace pistol
https://www.recoilweb.com/measuring...a-pistol-atf-has-altered-the-deal-151346.html