a thin layer of spraypaint shouldn't cause that. lubricate the rifle properly, throw some on the buffer spring for giggles, and if that fails try loading the mags only to 28.
jim needs to post videos of his superior shooting or he needs to STFU and to sit down when he pees.
goddamn dude, enough ruining this thread already. go back to the trump leg-hump-fest where you belong.
the bottom has totally fallen out of the AR market. if you plan on building one cheaper than the cheapest off the rack POS you're going to be building a real POS, OP.