RE: .300 Win Mag vs. .243
Its kindof like comparing a Cadillac to a Honda. The Cadillac will get there, but use a lot more gasbut canhaul a lot more people doing it. The Honda gets there much more efficiently but doesnt have as many capabilities. There, thats my comparitive analysis for today lol. If you where serious about your question, I congratulate you for at least asking. Its better to ask a than to not and make a big mistake as a result.