Im kinda of a 243 junkie,the first one I got was a ruger 77 bicentennial {1976} and it is twisted 1:10 and with much work and time spent I learned that 1:10 twisted 243s love and stabalize the 80-85 grain bullets and 1:9 twisted 243s love the 100-105 gr. bullets,Im kinda curious why you hate the cannalure as some body in the bullet making game was just helping you out,80-85 grainers will kill a deer just as dead as a 100 grainer and I would rather match the bullet to the barrel than match the rifle to the game...........
