The top comment and reply on IGN’s video is absolute gold: 

Chirrut’s sight.

I’d say Chirrut was sighted up at least past his 7th Duan? His bowcaster has a SIGHT and is bling decorated. Like REALLY bling decorated. (Though to my eyes the geometric designs suit Baze more than him- i geared him as the more organic design type.) I always kind of thought of Baze stripping gold off components and collecting it as wire or for use like this.