Ok I have a serious question. so please don't bash me for this. I'm asking on behave of a friend. With all things considered being perfect or as close to perfect as possible. With the right bullet I.E.(nosler partion,swift a frame or barns.) all 100gr or more could a 243 be used for eastern black bear hunting? keeping to neck , or boiler room shots . and less then 150yds. yes I know there are at least 200 better calibers on the market.