The Fazakerley Royal Ordnance Factory produced No. 4 Mk I rifles beginning in WWII and continuing postwar. Fazakerley production continued later than most British factories, producing some of the last British .303 service rifles. Type: Rifle Action: Bolt-Action Caliber: .303 British Capacity: 10 Year introduced: 1941, UK Weight: 91 oz Overall length: 44.5" Status: Discontinued Military use: Yes Intended use: Military, Collecting