Patent ID: 9739582
Date: 2017-08-22
CPC Classifications: F42B

Claim:
1. A shotgun cartridge for dispensing a shot load at a predetermined distance from a muzzle of a firearm, comprising: a shotgun cartridge casing having a forward end and a rearward end closed by a case head; a primer installed in the case head; a propellant charge in the case head; shot positioned at the forward end; and a wad separating the propellant charge from the shot, the wad having a central axis and comprising a nose portion and a tail portion separated at an interface, the interface extending normal to the central axis and extending entirely through the wad, the nose portion defining a forward facing cup portion holding the shot, the tail portion defining a rearward facing cup portion holding the propellant charge, the tail portion not extending forwardly beyond the interface and the nose portion not extending rearwardly beyond the interface, the entirety of the nose portion comprising a first polymer and the entirety of the tail portion comprising a second polymer different from the first polymer, the nose portion first polymer denser than the tail portion second polymer, the nose portion unitary with the tail portion by one of coinjection molding and overmolding.