W/ DSG+R (RF) try not to shoot max fire rate but faster than w/o RF. You will figure out the fire rate that doesn't have recoil. It seems like have no recoil but still spread even the red dot is right on target. Get your DSG+R and test it. Stop accusing me as a hack user. Noob could be better and get lucky shot sometimes.

I do not know about scope cause I never used after I unlocked reflex.