The invention relates to an agitator ball mill (1) having a milling chamber (5) and an agitator having a rotatably mounted and driven agitator shaft (6) and accelerators (7,8,9) arranged thereupon, wherein the accelerator (9) that is arranged furthest downstream, that is, the accelerator closest to the milling material outlet (21), lengthens axially and extends along the axial length of the sieve (23).
