Hey there guys! Long time no talk! well since my last visit here, i have bought a buf clasic in the spectacular 45/70, and i used it to take a nice buck! but im getting ready to go to college and i want to take my nefs w me but i was wondering if the 45/70 barrel would work on my .223 reciver? or vise versa. I duno, i remember hearing somthing about shotgun bar working on rifle rec. and ect, but i just cant rem. anybody out there want to explain to me twice? Thanks fellas!