(2,346 ft/s) Effective range 300 metres (330 yd) full automatic [4] 400 metres (440 yd) semi-automatic [4] Feed system 10, 20, or 30-round detachable box magazine , also compatible with 40-round box or 75-round drum magazines from the RPK Sights Adjustable iron sights , 100–800 metre adjustments, 378 mm (14.9 in)