ok, here is the instruction sheet that i was talking about:



and yes, i know that i'm supposed to adjust them like this (the white knob):


creep, i concluded the same, that they just accidently included instructions for the reds.

as for the black things, if you're referring to what i think you're referring to, i think those things are just caps to protect the tips of the shafts.

and i have h&r oe sport. still haven't decided what perch setting i'm going to put these on. what springs do you have?