The Murata Type 22 Murata Rifle is a japan-made bolt-action rifle chambered in 8mm Murata, introduced in 1889. Primary use: hunting, sport. Type: Rifle Action: Bolt-Action Caliber: 8mm Murata Capacity: 5 Year introduced: 1889, Japan Weight: 112 oz Overall length: 44" Status: Discontinued Military use: Yes Intended use: hunting, sport