WWII US Army Aged Original M1C Paratrooper Airborne Helmet Swivel Bale Shell and Liner with 506th PIR 2nd Battalion Pathfinder Camouflage Emblem and Net. For the most authentic museum quality restored original M1C swivel bale paratrooper helmet and liner for sale look no further! This is a totally restored original US WWII M1 helmet, liner with accessories that has been converted to represent the rare M1C paratrooper model worn by the US Army airborne units during WWII. This M1C helmet conversion has been conducted with painstaking detail, such as the use of United Carr marked ...