B-10U handguard” rail is a milled product made of D16T aluminum alloy coated in black or desert color. It is installed in the place of the regular handguard of AK-103, -104, -105, -74M, -74S, AKMS, AKM, Saiga-MK v.30, Saiga-MK v.33, Saiga-MK 223 Rem. v.03, TG2, Vepr-K, Vepr-KM, VPO-209, AK-366-Lancaster.