PRIMER DIFFUSER FOR POLYMER AMMUNITION CARTRIDGES
The present invention provides a diffuser cup or ring adapted to hold a primer used in an ammunition cartridge comprising a bottom surface sized to fit in a primer recess for an ammunition cartridge; a diffuser aperture positioned through the bottom surface and aligned with a flash hole; a cup wall attached to the bottom surface and extending away from the bottom surface; and an interior cavity bordered by the cup wall and the bottom surface and sized to frictionally fit a primer.
1 - 11 . (canceled)
12 . A diffuser cup adapted to hold a primer used in an ammunition cartridge comprising:
a diffuser comprising a bottom surface sized to fit in a primer recess for an ammunition cartridge; and a diffuser aperture positioned through the bottom surface and aligned with a flash hole; and
a cylinder comprising a cup wall sized to frictionally fit a primer and fit into a primer recess, wherein the cup wall is configured to rest on the bottom surface and extending away from the bottom surface.
13 . The diffuser cup of claim 12 , further comprising an adhesive applied to the bottom surface to contact a primer.
14 . The diffuser cup of claim 12 , further comprising an adhesive applied to the bottom surface to contact the primer recess.
15 . The diffuser cup of claim 12 , further comprising a primer positioned in the interior cavity.
16 . The diffuser cup of claim 12 , wherein the diffuser cup comprises a metal, an alloy, a composite or a polymer.