Features Length:total , 0.99 m. Weight:launcher , 14.510 kg; grenade , 1.360 kg.Range:practical , 101 m; maximum , 338 m.Initial speed :76 to 137 m/s. The PIAT, acronym meaning Projector Infantry Anti-Tank Mk 1 (infantry anti-tank launcher Mk 1), had the character of a British weapon that did not