From what I've read on the forums after yesterday's lockup at the range, it appears that a spontaneous IL failure is caused by recoil jostling the mechanism. So the heavier the recoil, the more likely to experience IL failure after a shot. Therefore a 340PD IL is more likely to fail than, say, a...
I've shot and carried semi-autos pretty much exclusively, but a few years ago I bought a brand new 340PD, thinking that a small, 5-shot, extremely light weight .357 magnum might be appropriate in some circumstances. It sat on the shelf until today, when I decided I really should clean it and...