In this AATV airsoft loadout episode, Anvil and Gadge feature the different helmets used by British infantry... "This week we look at British Infantry Helmets from 1915 to 2015. We cover the Mark I, Mark II, Mark III, Mark IV, Mark V, Mk6 & Mk7. This video is intended as a primer for Airsoft players wanting to purchase a helmet for their games. it is not intended as guide for re-enacment or living history who's requirements will be more stringent."