Earmor M16A Rail Mount Kit for Earmor M31/M32 PLUS to ARC Rails Tactical Black. This maximizes the use of the helmet rail enhancing expandability. Features of Earmor M16A Rail Mount Kit for Earmor M31/M32 PLUS to ARC Rails Made from modified nylon material offering superior wear resistance and corrosion resistance. The thickened and reinforced structural design enhances impact resistance. Anti-rust treatment on metal components extends product lifespan. Package Contents: Earmor M16A Rail Mount Kit for Earmor M31/M32 PLUS to ARC Rails Earmor M16A-BK: M16A Rail Mount Kit for Earmor M31/M32 PLUS to ARC Rails Tactical Black