Length - 16.5 m Primary Contractor - Ostikov Armaments Plant (OAP)
See article here. Length - 19 m Primary Contractor - Ostikov Armaments Plant (OAP)
Length - 31.2 m Primary Contractor - Kursk Heavy Industrial Group (KHG)
Length - 52.5 m Primary Contractor - Kaar General Resources Corporation (KGR)