The 40-BA1, which can be used in accordance with all operational concepts in the tactical field, has the capacity to rapidly fire 6 (six) 40x46 mm low speed or 40x51 mm medium speed ammunition. 40-BA1, which can be used with all kinds of ammunition in all weather and terrain conditions, can make effective shots up to 800 meters with 40x51 mm medium speed ammunition a long with destructive, fog, teardrop, lighting, thermobaric ammunitions etc. It enables accurate and effective aiming with both ammunition groups by means of its adjubstable sled optical sight mounted on the central clinder with a picatinny rail on the drum.