Wow -- that's one different way of skinning the cat. A swing arm bolt!
It seems the application for that design would be in the small sub guns rather than a squad auto. Can you imagine how short an AK pistol would be with that bolt travel?
There is no nonsense so errant that it cannot be made the creed of the vast majority by adequate governmental action. -- Bertrand Russell
"Never attribute to malice that which can be adequately explained by stupidity." Robert J. Hanlon
WOW - talk about a Rube Goldberg contraption indeed! Reminds me of a maze for a mouse to find cheese. Curious that the firing pin is angled upward.