Quite a few rifle hunters use only a 4x fixed power scope. People who are good shotssometimes prefer a fixed power scope onhigh powered rifles. Idon't have anyfixed power scopes onmy guns b/c I don't consider myself that great of a shot. I would say that a 2-7 would be fine for a 270. I have a 3-9 on my 30.06 and love it. Good luck!