M-1 Liner Body - Accessory or Excessory?
In 1945, experimentation was carried out to determine what the M-1 helmet would be without a telescopic liner assembly.
One of these things is not like the others
Nylon Combat Helmet Liners
For years collectors have been upset with sellers when they purchase a M-1 helmet with nylon liner and discover that the liner doesn’t fit right in the helmet. What these collectors don’t know is that soldiers being issue these helmets complained to the Army about the exact same problem.
“Grandma’s Yardstick”
Method Of Measuring Depth Of Draw?
Get Smart and don't use this method to calculate depth of draw because if you do you'll have "missed it by that much!"
Lower Profile - Better Concealment?
Experimentation with a reduced initial draw had nothing to do with issues relating to concealment, rather the primary reasons were to address breakage issues related to residual stress and ballistic limits.