Here's a follow-up:
With Steve's input, I determined that the rear lump slot was causing the bolt to bind. I eased the slot with a file and polished it until it closes nicely with the lever just about 15-20 degrees right of center.
Thanks for the help, Steve.

Here's the updated video:
https://photos.app.goo.gl/34it6VhLGvmkzdjq8

Last edited by Woodreaux; 06/14/20 07:58 PM. Reason: Changed the video link
Jim