Round. Didn't know they made the .45 in octagon.
yep....had one in a 20"..........case colored receiver........cresent butt plate..........
shot well........just had a V E R Y bad experience with Rossi C/S...or lack of............
gave the rifle to my SIL...........early Marlins are much better quality...easier to clean/service/tune......
pre RemLins.......pre 2009
had several rd barrel Rossi's too...$450-$480 for them new a few yrs ago
