AGS-40 Balkan
>
AGS‑40 Balkan is a Russian 40 mm caseless automatic grenade launcher and successor to AGS-17 and AGS-30, introduced and adopted by the Russian military. Wikipedia
Feed system: 20 grenade disintegrating belt in drum
Maximum firing range: 2,500 m (2,700 yd)
Rate of fire: 400 rpm