steel bulletproof helmet USA-NIJ IIIA Protective Level, Available in Black, Green,navy camouflag,and UN BLUE

steel bulletproof helmet USA-NIJ IIIA Protective Level, Available in Black, Green,navy camouflag,and UN BLUE.

US troop bulletproof helmet

Material:special steel

Thickness:1.8mm

Protection level:USA-NIJ standard 0101.04 III ATesting gun:9mm Uzi sub-machine gun or 9mm parabellum pistol cartridgeTesting bullet: 44Mag HP or  9MM FMJ RN weight of bullet:8.0/124g   speed of bullet :436~1430m/s  shotting distance:5M effective dhots: 6Weight:1.8KGprotection area:0.127sqm .

bulletproof helmet