Hi Gerben, Yes, I also have seen that..in fact...most of the time... But, it seems to me, that with an fxo type bottom, it may not be necessary to cut up and into the follower button slot?? And, and fxo mag has even a shorter follower slot, so it might work out even better... plus the nice clean look when finished... Just a thought for the guys who want to shoot them.. Best to you G, til..lat'r...GT