I guess one of my concerns with using a Hornet bbl is the longest I can get is 22" . I have a 22"bull 1-9 223 that I have been able to shoot 69gr match king bullets out of and my pet load for the same bbl is 55vmax IMR3031. I think I would rather go with a 24" bull or fluted but know they are 1-9" all the original .225 stuff was 1-14". Shooting times tested this round in June of 1964 and the factory loaded ammo was 55bullet at3590fps and psi of49,966 all their hand loaded stuff was 45-55 speers and 12 powders with none of them going above 49,400 psi. and probably what I would start with would be 3031 31grn 3530fps 45,500 psi. I have a 204 so the 223 could be turned into a 225 leaving no gap in calibers. but there is a great distance between 1-9" and 1-14" not sure what to do. The other option might be to order whole gun in 22hornet at 22" long also there was the other guy who was not sure if the hornet bbl with ejector needed any work other than reaming anyone know of this. thanks to all Kurt