| 摘要 |
A muzzle brake for a gun which comprises an annular member mountable on the firing end of the muzzle of the gun, which member comprises a pair of concentrically located annular elements of which the first one is mounted stationary relative to the muzzle of the gun and the second one is slidably movable against the biasing action of a spring relative to said first element in a direction opposite the firing direction of the gun, said movement taking place under the influence of the exhaust gas resulting from the firing of a projectile by the gun, and said movement being from a first extreme position into which said spring forces said second element, in which position the brake is in the "off' position, to a second extreme position where the brake is in the fully "on' position, in which position said exhaust gas can force the first element, and hence the muzzle of the gun, to move in the firing direction, and so counteract the recoil action of the gun.
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