×

Firearm having an indirect gas operating system

  • US 8,943,948 B2
  • Filed: 05/03/2011
  • Issued: 02/03/2015
  • Est. Priority Date: 09/17/2004
  • Status: Active Grant
First Claim
Patent Images

1. An automatic or semi-automatic firearm having an indirect gas operating system, the firearm comprising:

  • a receiver;

    a bolt assembly slidably received within the receiver;

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

    a gas block mounted to the barrel, the gas block having a cylinder completely defined within the gas block and in fluid communication with the bore;

    a piston slidably received within the cylinder;

    a rod coupled to the piston and having a striking rod;

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

View all claims
  • 19 Assignments
Timeline View
Assignment View
    ×
    ×