GUN RECOIL

摘要

A gun comprising: a generally tubular barrel defining a barrel axis and having an external barrel surface about the perimeter of the tubular barrel a cradle having a cradle bore for accommodating a section of the barrel wherein the barrel is slidably mounted in the cradle bore such that the barrel can move relative to the cradle along the barrel axis across a range of barrel positions and wherein an interface defined by the slidable contact between external barrel surface and the cradle bore-i) prevents rotation of the barrel relative to the cradle about the barrel axis; and ii) is maintained at a single section of the cradle over the entire range of barrel positions.