i have a howa 1500 ss warmint in 308 and i am tired about all the clicks needed for 800 yrds shooting and im am wondering. what kind of caliber can i use in the howa action? i am planing to shoot varmints and some deer her i norway. i was thinking of 6-284, 6,5-284, 7 wsm, 243 ai. do you hvae some sugestions. i want i explosive effect at greater ranges if thats possible?