You got no idea about sniper abilities. I easy count 15 vital low CD abilities for MM sniper - Take cover, FT, Snipe, Ambush, Takedown, Legshot, Flashbang, Cover Pulse, Shield Probe, Entrench, Shattershot, Explosive probe, Orbital Strike, Frag grenade, Rifle shot. You should bind also Ballistic shield, Evasion, Escape, Adrenaline probe, Debilitate, Diversion and Target Acquired.