Low Poly Game model (31273 tris, 16399 verts) for various 3d software like blender, game engines like Unity5/UnrealEngine4/CryEngine/Unigine/Godot and some other engines.
This model is now available to buy on cgtrader! https://www.cgtrader.com/3d-models/military/armor/tactical-helmet-bd27fada-6b89-47be-af96-a62d6e2d6896