This is just one of random sketchbook doodles that made it into production. He's holding an amalgamation of an AR-15 and a HK417, long story....won't type it out here. Project took me approx 6 hours over 4 days in total. Used 4 types of pencils, only tested 3 on the side. Project codename was IDN 18.1. Scanned with an Epson L210. Idk what else to type here, maybe I'll edit this later if I can. If you recognise the symbol on the visor, leave a comment or whatever you want, I'm just curious how many people recognise it.
Update! (2022.11.04) Finally found the ref again online Yandex query or Twitter link in case something happens to the other link.
(To conclude I just basically stole the idea, copied it and changed it around a bit, this may not have been a right thing to do)