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Firearm having an auxiliary bolt closure mechanism

  • US 3,236,155 A
  • Filed: 07/08/1964
  • Issued: 02/22/1966
  • Est. Priority Date: 07/08/1964
  • Status: Expired due to Term
First Claim
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1. IN A GAS-OPERATED AUTOMATIC FIREARM, A RECEIVER HAVING A LONGITUDINAL CAVITY AND A PASSAGE COMMUNICATING WITH THE CAVITY, SAID PASSAGE EXTENDING REARWARDLY AT AN ACUTE ANGLE TO THE LONGITUDINAL AXIS OF THE CAVITY;

  • A BOLT ASSEMBLY MOUNTED IN SAID CAVITY FOR RECIPROABLE MOVEMENT BETWEEN RETRACTED AND BATTERY POSITIONS, SAID ASSEMBLY COMPRISING A BOLT CARRIER ;

    AND AN AUXILIARY BOLT CLOSURE MECHANISM SLIDEABLY RETAINED WITHIN SAID PASSAGE FOR MOVEMENT, SAID CLOSURE MECHANISM BEING BIASED OUTWARDLY AND COMPRISING A MOTION-TRANSMITTING MEMBER, RESILIENTLY URGED INTO A COOPERATIVE ENGAGEMENT WITH SAID BOLT CARRIER DURING INWARD MOVEMENT OF SAID CLOSURE MECHANISM THEREBY FACILITATING MOVEMENT OF SAID CARRIER INTO THE BATTERY POSITION.

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