http://www.rockislandauction.com/viewitem/aid/65/lid/1615

Pretty much every major military had an antitank rifle in service when WW2 kicked off, and the British example was the Boys rifle, named after the Captain Boys who designed it. It was a bolt action .55 caliber rifle with 5-round detachable magazines. If was obsolete by 1943 and replaced by the more effective but equally unpleasant PIAT.