Pretty sure it is. Any detail like that would have to be, in a production model.
Here's a review.
Black Rain Ordnance Fallout15 AR15 Rifle Review
By the way, she's a .308.
The scope is a Vortex Viper PST 4-16x50, front focal plane, EBR-1 (MOA) reticle (illuminated).
I've seen some amazing things done with hydro dips.
Well goodnight all, need to get to sleep, busy day tomorrow.