4-3 Don the M40 Protective Mask


  • Stop breathing.
  • Close your eyes.
  • Remove your helmet and do one of the following:
    • Store it between your legs above the knees.
    • Hold your rifle between your legs and place the helmet on the flash supressor.
  • Take off your glasses if you are wearing them.
  • Open the carrier with your left hand holding the carrier open.
  • Remove the mask from the carrier by grasping the mask with your right hand.
  • Put your chin in the chin pocket.