Patent ID: 8910411

Claim:
A supplemental projectile for a firearm, the firearm comprising a barrel, a bore and a muzzle, the supplemental projectile comprising: an exhaust vessel defining an interior cavity and having an opening at two ends, the two openings comprising a muzzle-end opening and an exit-end opening, the muzzle-end opening being larger than the bore of the firearm; a barrel socket attached to the exhaust vessel so as to surround the muzzle-end opening of the exhaust vessel and project outward therefrom, the barrel socket having an inner diameter sufficient to slide over the barrel of the firearm; and a ring magnet having an inside diameter larger than the bore of the firearm and having an outer diameter approximately equal to the inner diameter of the barrel socket, the ring magnet fixed in position within the barrel socket near the muzzle-end opening of the exhaust vessel.