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NARROWING HIGH STRENGTH POLYMER-BASED CARTRIDGE CASING FOR BLANK AND SUBSONIC AMMUNITION

  • US 20160298944A1
  • Filed: 06/20/2016
  • Published: 10/13/2016
  • Est. Priority Date: 01/14/2011
  • Status: Active Grant
First Claim
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1. A high strength polymer-based cartridge casing for at least one of blank or subsonic ammunition comprising:

  • an upper component, molded from a polymer, comprising;

    a first end having a mouth; and

    at least a wall between the first end and a second end of the upper component opposite the first end;

    a lower component, molded from a polymer, joined with the upper component, and having a lower wall;

    an insert joined to the lower component;

    a polymer sleeve extending longitudinally, radially, and in contact with at least one of the wall and the lower wall;

    wherein the polymer sleeve has a uniform thickness and reduces a volume of a propellant chamber formed by at least one of the wall and the lower wall.

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