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Gas operated firearm with clamp on gas block

  • US 5,945,626 A
  • Filed: 09/09/1997
  • Issued: 08/31/1999
  • Est. Priority Date: 09/09/1997
  • Status: Expired due to Term
First Claim
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1. A firearm comprising:

  • a receiver;

    a barrel connected to a front end of the receiver;

    a gas block clamped onto the barrel, the gas block having a one-piece member with a barrel receiving channel which has a portion of the barrel therein and at least one pair of lugs, respective ones of the lugs being located on opposite sides of the barrel receiving channel, and a fastener being removably connected to the pair of lugs to clamp the gas block to the barrel; and

    a gas tube extending between the receiver and the gas block,wherein the one-piece member of the gas block has a keyway extending into the one-piece member from a rear face of the one-piece member and the barrel has a key piece extending therefrom which is received in the keyway as the one-piece member is slid rearward on the barrel to position the gas block on the barrel at a predetermined position.

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