That mischief machine grip is quite a bit of money and I wonder if it would really make that much difference. One could even just find a good deal on a used standard p365 and find someone's take off xmacro grip for $50. That grip looks plenty big.
I'm wondering if the 3.1" vs 3.7" barrel really matters much at all other than weight. A 0.6" difference in sight radius isn't going to make a huge impact on accuracy
I bought my P365 early, right before the XL version came out. Really wished I had waited and got the red dot ready larger version. I think the XL is really the sweet spot and that the bigger versions are getting too big for me. That said, I am still using my non-red dot 3.1” version with the Wilson XL grip frame more than any of my other handguns. The gun that carries the easiest is the gun you are most likely to have with you and use. I carry my 3.1” quite a bit in a pocket holster. Not ideal for quick draw, tacticool stuff, but it’s there when I need it. It comes off easily when I need to store it to go in somewhere that doesn’t allow CC. It also doesn’t come off when I take off my pack or interfere with a pack belt or a bino harness. I couldn’t do that with the 3.6” XL version with a red dot, much less the larger versions.
The XL frame is big enough for me to get a full grip and definitely makes the gun more shootable. It also is long enough to allow the magazine to drop free in reloads. The shorter version hangs up on your palm and won’t drop free. I have no experience with the metal grip-frame that Form recommended, but I am not particularly interested in buying one either. I’m sure it would make the gun more shootable, but the beauty of these guns is that they are light and packable while still being pretty shootable. I would not want to add the extra weight and cost.
As for the barrel length, I don’t see much of a ballistics argument for an additional 0.6” given that Form carries a 22 magnum for grizz in AK. The longer barrel might be a bit more shootable and gives you a bit more space for a bigger light. I am still using the high output version of the TLR-6 on mine. It’s slim, and light weight, but gives me enough light (300 lumens) for short range defensive work.
I recognize that I’m not a cool kid with my handgun choice. But for me, this gun has a similar footprint to a j-frame snubby, has twice the capacity, shoots a lot better, reloads faster, and gives me the capability of a weapon-mounted light. Would I carry it if I were still working in grizz country? Hell yeah, no question.