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Compensator for sporting firearms

  • US 3,978,762 A
  • Filed: 05/16/1974
  • Issued: 09/07/1976
  • Est. Priority Date: 04/26/1974
  • Status: Expired due to Term
First Claim
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1. A compensator for sporting firearms, which utilizes the energy of the powder gases to reduce the jumping of the firearms at shooting, comprising:

  • a case having top and bottom bars spaced a certain distance apart, said bottom bar being somewhat wider than said top bar, said case being open on its top and both sides;

    crosswise baffle plates to link said bars, being tilted in the forward direction with respect to the longitudinal axis of the compensator so that when a shot is fired the gases are deflected upward, said baffle plates being trapezoidal in shape with the base upwards, and provided with holes for a bullet to pass therethrough, and also having a width exceeding that of said top bar;

    a cover attached to said case and embracing it over its bottom and both sides, the inner side surfaces of said cover serving as side deflecting surfaces of the compensator;

    gas outlet holes on the top of the compensator, formed by said inner side surfaces, said top bar and said baffle plates; and

    wherein said case, said cover and said deflecting surfaces constitute means for resolving the pressure of the gases applied to said deflecting surfaces into horizontal and vertical components, the former acting in opposite directions and balancing out each other, whereas the latter are directed downward, are added together, and counteract the force that would tend to move upward the firearms.

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