In s&d or any game mode for cod mw2 what 2 or 3 cles shuld i use, tell me ur best ones?

For now i use the acr wit red dot sight with c4, scavenger, stop power, and/or scrambler or commando. Other wise i use m16a4 with holograph and fmj, on bling pro, stop power pro, and commando/last stand/ scrambler