Patent ID: 8887638

Claim:
A capsule configured to have an outward appearance of a cartridge for a firearm, the capsule adapted to explode within a chamber of a firearm and disable the firearm, the capsule comprising: a casing made to fit within a firing chamber of a portable firearm, the casing having a closed end and an open end; a bullet-shaped container having an outer length defined by a proximal end and a distal end, the proximal end made to fit tightly within the casing below the open end of the casing; the distal end extending past the open end of the casing; the bullet-shaped container defining an internal volume, the internal volume having an internal length from the proximal end to a point before the distal end, said point being past the open end of the casing when the bullet-shaped container is within the casing; and the bullet-shaped container when inserted into the casing closes off the open end of the casing; a high explosive resident within the internal volume; and a primer comprising a small charge of a mixture in contact with the high explosive such that when the primer is struck by a firing pin of the portable firearm, the primer causes the high explosive to detonate.