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Firearm having an indirect gas operating system

  • US 7,934,447 B2
  • Filed: 11/02/2009
  • Issued: 05/03/2011
  • Est. Priority Date: 09/17/2004
  • Status: Active Grant
First Claim
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1. A black rifle configuration automatic or semi-automatic firearm having an indirect gas operating system, the firearm comprising:

  • a black rifle configuration receiver assembly having a bolt assembly enclosed within the receiver assembly and having a striking surface;

    a barrel assembly having a bore, the barrel assembly coupled to the receiver assembly;

    a gas block mounted to the barrel assembly, the gas block having a cylinder in communication with the bore and having;

    a front folding sight dependent from the gas block; and

    a rod assembly actuably coupled to the cylinder and having a striking rod;

    wherein, gas discharged from a fired cartridge displaces the rod and causes the striking rod to strike the striking surface and displace the bolt assembly.

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