The Central Design and Research Bureau of Sporting and Hunting Arms, abbreviated TsKIB SOO () is a Russian small arms design bureau based in Tula, Russia. It was established in 1946, and it is currently managed as a branch of the KBP Instrument Design Bureau.
Products
Notable products designed at TsKIB SOO include: high-quality custom hunting shotguns (MTs 5, MTs 6, MTs 7, MTs 8, MTs 30, MTs 109, MTs 110, MTs 111, MTs255, etc.) TKB-022PM, TKB-0146, TKB-408, TKB-517 assault rifle prototypes OTs-38 Stechkin silent revolver OTs-14 Groza assault rifle OTs-28 23mm shotgun(:ru:ОЦ-28) ASh-12.7 12.7 mm battle rifle OSV-96 12.7 mm sniper rifle 12.7mm NSV machine gun and Afanasev A-12.7 machine gun 40mm GP-25/GP-30/GP-34 and RG-6 grenade launchers AGS-40 Balkan 40 mm automatic grenade launcher Afanasev Makarov AM-23 aircraft cannon "Rys" ("Lynx") series of shotguns