The 155 mm gun M1 was a 155 millimeter caliber field gun developed and used by the United States military. Nicknamed Long Tom (an appellation with a long and storied history in U.S. field and naval artillery), it was produced in M1 and M2 variants, later known as the M59.The gun could fire a 100 lb (45 kg) shell to a maximum range of 14 mi (23 km), with an estimated accuracy life of 1,500 rounds.This is a game ready 3d model. All images are taken directly within Unity 3D game engine with realtime rendering.