Great picture, Six. There's something from the past.
Unless I'm missing something, that's a suppressor on the front end.
Used them with sub-sonic rounds, I swear you could hear the bolt and oprod as the noisiest part on the lady. It was a PITA balancing her with that nightscope(CRS on the name) lenses, batteries and mount weighed what seemed like a ton. Them were the days!
Tatonka