 The firearm is typically used with an extended 33-round capacity magazine and may be fired with or without a shoulder stock.The pistol's rate of fire in fully automatic mode is approximately 1,100–1,200 rounds/min.Introduced in 1992, the Steyr TMP ("Taktische Maschinenpistole" "tactical machine pistol") is a select-fire 9×19mm Parabellum machine pistol manufactured by Steyr Mannlicher of Austria.