Will be getting a remington sportsman 78 (adl) in .223. Do I leave the bolt face alone a build a .223 or .223 AI or open the bolt face and have a .22 or 6 BR or something in a 6.5(grendel, creedmore or 6.5x47 lapua). Mostly varmints (pd's and coyotes) or depending on caliber a short range deer...