The No. 4 Mk II was a post-WWII improvement of the No. 4 Mk I, incorporating a hinged butt plate and a trigger hung from the trigger guard rather than the receiver. It was the final standard .303 British service rifle before adoption of the L1A1. Type: Rifle Action: Bolt-Action Caliber: .303 British Capacity: 10 Year introduced: 1949, UK Weight: 91 oz Overall length: 44.5" Status: Discontinued Military use: Yes Intended use: Military, Collecting