I sent 200 rounds through it today, about what I consider a good break-in/tryout session. Things are looking great, so far.
No failures to feed, fire, extract, or otherwise function. Both magazines lock back, and it eats 230 grain ball (a clone of the classic military full metal jacket load) and 230 grain hollowpoints (self-defense loads) like a champ.
The night sights work great, even in Nautical Twilight, and I can make consistent groups, even with my withered abilities.
Muscle memory is similar to classic Sigs, with the exception of the lack of a Decocker. This is a striker-fired pistol, which means one consistent trigger pull, not two distinct trigger pulls as found in double action/single action Sigs.
This was a major plus, for me, since I really learned to shoot semi-auto pistols with the Sig P226, the sidearm issued to me when I was doing contract security for the Department of Energy. DOE likes their shooters proficient, and I spent a lot of time learning how to work the Sig P226 in a number of situations. The P320 lets me draw on that experience and muscle memory with ease.
Well, I kept reaching for the decocker after shooting, but we won't bring that up. ;)
My paws are tiny and "artistic," so I am not able to reach the magazine release without shifting my grip slightly. The beauty of the P320 is that you can swap out the entire plastic grip frame for about $40 USD. I will move down to the Full-size/Small grip if and when it becomes available.
All in all, things are looking good. A great shooter.
In other news, I'm still writing, and may have a lead on coming back to a favorite character I wrote in the past for another story.
I'll have an update later for sculpting and other sci-fi goodness coming out.