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PROJECTILE

  • US 3,738,272 A
  • Filed: 04/13/1971
  • Issued: 06/12/1973
  • Est. Priority Date: 04/13/1971
  • Status: Expired due to Term
First Claim
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1. For use with a firearm barrel having a breech end from which a cartridge is adapted to be ejected after discharge of a projectile forwardly therefrom, the combination of a casing adapted to occupy the space normally occupied by the cartridge and a projectile assembly separable from the casing comprising a forward housing portion abutting the casing, a double walled tubular member secured to the forward housing portion and projecting rearwardly therefrom through the casing, said tubular member having a deformable outer wall, an inner wall and a nose portion interconnecting the inner and outer walls witHin the forward housing portion, a primer enclosed between the nose portion and the forward housing portion axially spaced from the casing, a firing pin enclosed by the inner wall and extending through the tubular member into engagement with the primer, and a propellant charge enclosed between the inner and outer walls, said outer wall having a rear end closure portion sealing the propellant charge within the tubular member.

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