Operating pressues for the 5.7 FN roiund are in the 45,000 psi range. Which is higher than any other standard semi auto round.
The reloading data I've seen indicates it's a very critical round to hand load for.
The only other known instances of this gun coming apart were both with handloaded ammo. This makes three guns out of many thousands that have had no problems.
This guy says that it came apart with factory ammo, but also says he was using handloads a few minutes prior. Considering the nature of this round, I was curious as to what his handloads were. Could they have weakend the gun if they were too hot ? Even well made rifles have had this problem, let alone handguns. That's why we have the proof testing standards and procedures. No, I don't know how that is done with this pistol. Anybody know ? E
