Science: Gun Kick Compensator

Police and militia in New York City last week took steps to overcome the mechanical fallibility of their marksmanship with submachine guns. The U. S. Navy already has done so.

When small arms—revolvers, pistols, shotguns, rifles, machine guns—are fired, the recoil of the explosion throws the weapon's muzzle upward. To overcome this upthrust. Lieut. Richard M. Cutts Jr., U. S. M. C.. devised a simple compensator. It consists of a 2-in. tube screwed to the muzzle. Top of the tube carries three holes through which the gas of explosion escapes without jolting the...

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