Bsteve: The 110 grains of T7 load (got it from Cayugad) behind the 200 grain shockwave grouped very well for me - but I never did chronograph it. Other loads I have chronoed out of this gun with T7 have been very comparable with what others have posted on this site, though.

Phil: The part of the Colorado regulation the Wildlife official was referring to when I posed that question was subsection d. and e. under the "Muzzleloading Rifles and Smoothbore Muskets" section of the 2006 brochure (page 6). I did mention I was hunting elk. You might re-read subsections e. and f. The minimum to hunt elk and moose is a .50 caliber with a 170 gr. bullet. If you move up to a caliber bigger than .50, the minimum bullet weight goes up to 210 grains. Relative to this load, they are saying that when you hunt in therifle seasons, as long as the weapon is a .50 caliber and the projectile weighs at least 170 grains you are OK. We had a rather extended discussion. I was wondering, like you, ifCF rifle definitions would apply when one used a MZ rifle during the regular rifle seasons.

P.S. I live in Colorado