Patent ID: 7774971

Claim:
A muzzle loading firearm comprising: a barrel having a bore extending from a muzzle end to a breech end, an end surface at the breech end, and an externally-threaded surface at the breech end; a stock pivotally connected to said barrel between the breech end and the muzzle end; and a breech cap having a base portion with a front face and an opposed rear face, a primer pocket formed in the rear face of the base portion, a flash hole extending from the primer pocket through the base portion to the front face, and an annular skirt encircling the base portion with an internally-threaded portion of the skirt extending forward from the front face, wherein said breech cap is removably threadedly connected to the externally-threaded surface of said barrel to enclose the breech end of the bore with the front face of the base portion of said breech cap sealingly abutting on the end surface at the breech end of said barrel.