Ive been doing some research, and isn't a 6 creedmoor really just a 243 AI? I mean slight differences in catridge base to neck measurements im sure but to me, they are practically the same round. As far as Im concerned, making a 6 Creedmoor is a marketing gimmick designed to catch a larger fan base than calling it 243 would do.

-243=6mm.

-.243 and 6 Creedmoor parent case is .308 if you make your own.

Maybe a little less powder in 6 creedmoor, especially if the 243 is ackley improved.


Main reason I ask is I wouldn't mind having just one more barrel for my savage action before I wait a while and go to a custom magnum action for a 338 LM or something in that category. Would love to start doing a little competitive shooting and I dont want to burn my 7mm SS barrel I have coming out, but I dont want to deal with the 308 barrel either when trying to touch 1000 yards +