It’s Sherwood Green Metallic, but can see where you’re seeing the Charcoal vibe.
Yes it’s a US Custom Dual J, so a passive J setup with their 44-94 body and neck. This one is chambered for weight-saving, and also has a Series/Parallel switch. And yes, their own pickups as I agree, they’re great.
It’s very similar to my US Custom 44-PJ which is elsewhere in this thread.
Si