I'm not a fan of the coyote tan, which is whey I went for the "Bravo" variant on my M17, but I dig the two-tone look you have going on here.
I handled an X5 Legion at a shop back in March and really loved the weight & balance of it. I want one, but don't want to drop the $$$ on it right now. Picked up the Wilson Combat grip with tungsten weight kit this week, hoping it'd be a cheap alternative to get closer to that X5 Legion feel.... Hard to say without being able to handle both at the same time, but I don't think it comes close.
I saw one of the reviews on the Sig site said the Pro Cut slide weighs more than the standard slide?
I'd be curious on what the weight difference is between this setup and the X5 Legion is, especially if you add the tungsten weight kit to the Wilson Combat grip. Also the weight difference between the grips alone.
Unfortunately I can't weigh it, but I own an XFIVE Legion and this and really the only difference I'd say is the amount of muzzle flip. I prefer the sights on this one, but I've put a Delta Point Pro on the XFIVE Legion so it is obviously easier to acquire a target. The longer barrel probably helps with accuracy too, but this one is plenty accurate when I don't screw up.
This feels lighter, but I actually like that about it. I'm also a big fan of the XRAY3 sights way more than fiber optic - especially since they both work at night and are huge and bright during the day (vs the M17/18 which are just white during the day and virtually identical to XRAY3 at night).
The XFIVE Legion grip shape isn't my favorite, but the weight feels good and the texture works - but more aggressive like this would be preferred. I've gotten used to it now, so I like it quite a bit.
In the end, the biggest game changer is the XFIVE Legion trigger which is what makes this pistol so great. I don't know if they just put the skeletonized trigger on an otherwise normal P320 trigger or if there are upgraded springs and bars, but whatever it is - that's the magic I love the most about the XFIVE Legion.