Visor metal from 2mm steel. Glass frame welded from 2mm steel. The suspension system is identical to the original helmet. Visor is made from 2mm steel, fixed to the upper or lower position.Glass 2mm polycarbonate visor (for playing airsoft). Helmet design allows it to adjust the internal suspension from 54-60 cm (21-23.5 inch) head size. I have Altyn, K 6-3, RIS-T, Voin, Kviker FSB MVD KGB Helmets, see my other items. If you have any question please feel free to ask. Add a map to your own listings. The item "Russian MVD Helmet K 6-3 (ALTYN) with HEADSET(NEW) FSB. FREE EXPRESS SHIPMENT" is in sale since Friday, January 12, 2018. This item is in the category "Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Hats & Helmets". The seller is "mn_store" and is located in Volgograd. This item can be shipped worldwide.