I recently bought a leverevolution mag follower for my 1895g 45-70 so I can shoot the new leverevolution ammo. How do I get the original follower out without having to do a complete disassembly? It came in the mail yesterday. When I tried switching the followers, I just unscrewed the screw on the bottom of the mag tube. It wouldn't come out. What else do I need to do? Thanks!!! P.s: is it supposed to be lever evolution or lever revolution?