Russian Army Helmets, MVD Helmets, FSB Helmets. Who use it: Russian Army, VDV and etc. Buy it. Helmet P7 or 6B7 classification developer and manufacturer - Nii Stali, is the first production helmet made of aramid fabrics. First attempts of creation helmets, like 6b7 was in 90x, when NII stali start researching of production helmets from aramid.