The NEXUS Gun-Fighter Combat Helmet (GFH ) is a revolutionary concept in the world of combat helmets. Being very compact, they reduce the risk of interference to the wearer and allow their use by SF Units, PSD Operators, Tactical Units, Police Firearms Teams and can also be used as an Airborne helmet. THE Gun-FIghter Helmet is styled to have more protection than the S.F. Helmet and the extensive coverage of the ACH Hemet, the Gun-Fighter makes it easier to acquire a target in a crouched position particularly with the use of Night Vision Goggles. The performance of the helmets is enhanced by the latest developments in protection against fragments and shock and impact absorption. Their lightweight and unequaled level of comfort enhances the wearer’s mobility and efficiency even during long missions. The lack of a lip and front peak allows the use of NBC protective clothing and protective goggles and enable the easy integration of combat communications systems. Best Helmet Style available. FEATURES High ballistic performance with low weight, using high-tenacity ballistic aramid fibre and bound in a Thermoplastic resin matrix. SUSPENSION SYSTEM 4 point chin strap harness, with an integrated Crown Mesh with cross straps with plastic chin cup. SIZES SF Helmet has a fully adjustable Harness System. Head Size (CM) and Weights (lb.) Size EURO (circumference) UK (circumference) USA (diameter) Weight Medium 54-59 cm 21-23 inch 6 5/8″ – 7 1/4″ 1.2Kg Large 56-64 cm 22-25 inch 7 1/4″ – 8″ 1.3Kg COLOURS TAN OLIVE GREEN BLACK BLUE BALLISTIC PROTECTION NIJ Level IIIA 9mm – 44 Magnum. V50 Fragmentation Rating up to 750 m/s; as tested with 1.1g, 22 Caliber, 17 grain Fragment Simulated Projectile, according to STANAG 2920 and US MIL STD 662F. Ballistic (National Institute of Justice)NIJ II 9mm FMJ and 357 Magnum JSP, in accordance with NIJ standard 0106.01. It has a V50 of 550 m/s (1800 ft/s). NIJ IIIA 9mm FMJ and 44 MagnumSJHP, in accordance with NIJ Standard 0101.04. (June 2001). It has a V50 of 610 m/s (2000 ft/s).