tikkanut, There are more 6mm chambers than you can shake a stick at and some are very good shooters, but I will stick with the .243 based round, easy to fire form, very accurate you can find ammo almost anywhere if for some reason you run out of reloads, the 6 creed, ain't bad at all, again if you can find ammo anywhere, how much powder a round burns means nothing to me if i couldn't afford to shoot the guns i do and reload for I would take up knitting' Rio7