Miroku Firearms Mfg. Co. (Japan)
Japanese firearms manufacturer based in Nankoku, Kochi, producing shotguns, rifles and scopes and OEM-manufacturing Browning and Winchester firearms.
Last updated September 15, 2026
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Overview
Miroku Firearms Mfg. Co. is a Japanese firearms manufacturer based in Nankoku, Japan. Its origins trace to 1893, when founder Kuraji Miroku began producing hunting guns in Kochi Prefecture. The company manufactures shotguns, rifles and scopes, and has OEM-produced firearms for Browning and Winchester. It also operates the Miroku Kochi Shooting Range, described as one of Shikoku's largest clay shooting facilities.
History
Miroku's origins trace to 1893, when founder Kuraji Miroku began producing hunting guns in Noshicho, Kami District, Kochi Prefecture. In 1934 the company began manufacturing small and large whaling guns. In 1946 it established Miroku Kousakusho Co., Ltd. in Kochi City. In 1951, with the lifting of the domestic ban on firearms manufacturing, it obtained a hunting gun manufacturing license from the Ministry of International Trade and Industry and resumed hunting gun production. In 1952 it began producing side-by-side double-barreled guns, and in 1961 over-and-under double-barreled guns. In 1961 it changed its trade name to Miroku Mfg. Co., Ltd. In 1963 it listed its shares on the Second Section of the Osaka Securities Exchange. In 1966 it entered a sales and technical tie-up with Browning (USA). In 1970 it entered a technical tie-up with FN HERSTAL (Belgium). In 1973 it began producing 'CITORI', in 1984 'A-BOLT', in 2008 'X-BOLT', and in 2011 'CITORI 725'. In 2016 it marked the 50th anniversary of its sales and technical tie-up with Browning. In 2003 the trade name was changed to Miroku Co., Ltd., and Miroku Mfg. Co., Ltd. was established through a company split under a holding company structure, with the new company succeeding all of the business.
Products and positioning
A firearms maker with over a century of history and tradition, emphasizing strict quality standards and craftsmanship.
B.C. MIROKU
Own brand of over-and-under shotguns; the 'B.C.' derives from founder Bukichi Miroku and second president Chiyoki Ido.
miroku OP
Own-brand scopes, including the miroku OP / S1HC001 3-9×40.
Browning OEM production
Miroku has OEM-produced many shotguns and rifles for Browning since the 1966 tie-up, including CITORI, A-BOLT SHOTGUN, CYNERGY, X-BOLT and SEMI-AUTO 22.
Winchester OEM production
Miroku produces Winchester-branded firearms such as MODEL 1873 and MODEL 94.
Sources5 sources
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