BS-1 Tishina

The BS-1 RGA-86 Tishina ("Silence") (БС-1 «Тишина») / BS-1M 6S1 Kanareyka ("Canary") is a silenced Soviet 30mm grenade launcher. It was developed specifically for the Spetsnaz. It uses a bolt-action mechanism to load blanks into the chamber along with the 30mm grenade VOG-T (ВОГ-Т). Pulling the trigger ignites the blank which propels the grenade from the barrel by pushing forward a piston.