Replica of protective helmet for armed forces of Russia.Made of impact-resistant ABS engineering plastic. According to the original copy, 1:1 high precision mold production. Rail guide &NVG is made of aluminum alloy. Common with the original product. The size corresponds to No. 3 of the original product. 55mm-62mm head circumference can be used. Weight 1350g, thickness 9mm. Basically consistent with the original product. Doesn't have any bulletproof protection!