"phoned both companies today and the answer was the same, don't exceed 100 grains of T7. Who'd you get your info from. There seems to be a difference of opinion."
On pages 17, 19, and 23 of Knights' "Knight Rifles Instructions and Safety Manual" under the prospective headings Knight Master Hunter Disc Extreme, Knight Disc Extreme, and Knight Wolverine 209 says "Powder: Black Powder ffg, Pyrodex RS, Pyrodex Select, T7, Pyrodex Pellets(Exc. Maximum Powder Charge 120gr by volume or 150gr in pellets."