Muzzle loading gun and adaptor

Details Muzzle loading gun and adaptor Muzzle loading gun and adaptor

1996-05-20

1998-01-13

Johnson, Stephen M.

Firearms

Muzzle loaders

89 13, F41C 908

Patent

active

057065985

ABSTRACT:
An adaptor (10) which allows a standard cartridge firing action to be used with a black powder muzzle loading gun (100) is described. The adaptor includes an insert (12) and a nipple (16) and is configured to be inserted into the barrel (108) of the gun adjacent the receiver (104). In use, a standard rifle cartridge casing (150) with a wall (150A) and with a head (150B) at one end containing a primer (152) is loaded into the receiver of the gun. Next, the cartridge casing is moved into the end (108A) of the barrel such that the casing extends into the center bore (14) of the insert and the nipple extends into the inside of the casing. When the gun is fired, the firing pin (114A) contacts the primer which ignites the black powder (118) which expels the projectile (120) from the gun. The ignition of the primer causes the wall of the casing of the cartridge to expand. The casing expands such that the casing is force fit and tightly held in the center bore of the insert. The expansion of the wall of the casing prevents blow back from the explosion from escaping past the adaptor and into the receiver of the gun.

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