Ditch the red dot in favor of the grip; the two are exclusive. Get a 3.4 or 4x scope. Find a stationary target far away (100m+) and start practicing your burst fire (2-4 shots per burst if possible). Practice getting your shot grouping as tight as possible. Get the HV ammo if you can. It makes a difference in longer range combat. As for whether or not the foregrip transfers, that would be a no; each gun has to have the attachment certed individually.