Hey Max!! That thing looks like a Zombie!!
Where's the drum mag from?
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
I also picked up one of these, but have not mounted it yet. It's a Romanian grenade launcher stock. It's got an internal spring loaded buffer.
My shoulder is toast from a MC accident years ago. It's OK for anything up to .308, but after an extended session of full load 12 gauge, it aches like hell.