American M1936 pistol belt. This was the standard pistol belt used in WW2 by the US Army.
It was used by anyone not armed with the Garand rifle or the B.A.R. as they had there own special belts to carry ammunition. The M1936 pistol belt was used by all Branches of Service in the US Army including Infantry, Paratroopers, Armoured and M.P.'s.