i've got one also and really love it.
i found the front handguard a bit of a task to reinstall.the lever and gas tube are really tight,but that means no play for my red dot.
i would put a little oil on the wire holding the pistol grip compartment in place.
put a little oil in the lever that adjusts the length of the stock also.
also,check to see that the rear sling swivel is not loose.mine flew off after a hundred or so rounds,but it's just a nut and bolt so tighten it down good.
the sks feels much lighter and ergonomics are way better than a wood stock...
my .02...