Greetings from the Deep South. Just purchased an R51 for CC to add several other full sized 9mm pistols on my collection which are not CC.
I put about 100 rounds of mixed brands through it and had only one nose dive in the magazine by a Wolf steel cased round.
The 100 rounds did leave an open sore on my thumb web. I purchased a set of wood grips that are a bit thicker than stock; and, hopefully, that will make things better. If not, I guess it will be shooting gloves.
Onward and upward
Welcome. It sounds like you have been reading up on this forum.