the henry's action is made out of brass ......
the rossi's action is made out of steel , and is chambered in 454 casull in the fullsize 1892 rifles .
factory 45 colt is 14,000 psi , factory 454 casull is 65,000 psi .
if your going to restrict yourself to the low pressure 45 colt rounds either will do the job ...... if you want to hotrod the 45 colt round , go with the rossi action .