Hi Bill & Ed & all... Yes, I've got the "fxo" type down pretty good also, with correct fixtures and tooling to do correctly... It doesn't look too tough, but it, the rivet, was kinda hard to reverse engineer, as no drawings are around, at least that I've found??... Thor is bluing up a bunch of them, that I made, as we speak!
... The "Bakelite" black plastic bottoms are somewhat easier, as they barely up set the flared ends of the rivet.. But the aluminum bottoms are like a can of worms, as in, "once you open up a can of worms, it takes a bigger can to put them back in again?" So it is with the rivets for the aluminum bottoms.. They are press set so hard, that the setting tool, literaly bends the rivet, and presses the ears of the mag bottom up against the mag shell... The only solution when replacing them onto another tube, is to use a shorter rivet... and set it hard also.. I'm having some of them blued also... Hopefully in the very near future, I'll be able to address any type of mag repair necessary to achive a quality unit... Straightening them is getting a bit better as my experience grows
... best to all, til....lat'r...GT