Patent ID: 7185607

Claim:
A method of using a black powder firearm comprising: providing a black powder firearm containing therein a supply of black powder; placing said black powder firearm within a plastic sleeve, said plastic sleeve conforming generally to the dimensions of a firearm and having at least one opening defined by the plastic sleeve wherein said at least one opening may be reversibly sealed thereby providing a moisture proof enclosure surrounding said black powder firearm; stretching said plastic sleeve against a barrel and a mechanical gunsight positioned on said barrel, thereby allowing the operative use of said mechanical gunsight when said black powder firearm is within said sleeve, while maintaining said fire arm and said black powder in a moisture proof enclosure; additionally stretching said plastic sleeve in proximity to a trigger of said fire arm; wherein, when said firearm is discharged, said muzzle blast creates an opening within said sleeve opposite said gun muzzle allowing said bullet to exit said enclosure.