I can’t deign to speak for the authors; personally, I wouldn’t care who owned that property or how much money they had or had not put into it - that shit is straight up hideous, even by ‘artsy-fartsy weirdo’ standards.
they aren’t real- theyre props or authentic parts with prop receivers. if they were real, they wouldn’t be California compliant. If you look up “CA compliant rifles”, they have weird modifications to comply with state laws.