Call of duty black ops high killstreaks tactics ?

I think if you use the ak74u will work. And for ur perks I think it's best if lightweight slieght of hand and hacker that way you know what's around you bc das what I use for my perks I die alot my claymores and I use ak74u wit extend mag. Wit pythons, frag , concusion, claymore, kill streak... Uav. Care package and helicopter.