Barrel for muzzle loading firearm

  • US 5,782,030 A
  • Filed: 03/11/1997
  • Issued: 07/21/1998
  • Est. Priority Date: 12/19/1995
  • Status: Expired due to Term
First Claim
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1. A method of making a barrel for a muzzle loading firearm comprising the following steps:

  • (a) drilling a longitudinal cylindrical bore into a solid length of metallic barrel stock from one end of the barrel stock so that a muzzle opening to the bore is formed at said one end, said longitudinal cylindrical bore being defined by an inner cylindrical surface;

    b) forming rifling on the inner cylindrical surface of said barrel from said muzzle opening along substantially the entire length of said bore, said rifling comprising a plurality of spaced grooves which extend helically along the length of the inner cylindrical surface; and

    (c) enlarging the inner diameter of said cylindrical bore from said muzzle opening for a distance of at least 3/8" from said muzzle opening, the enlarged portion of said cylindrical bore being defined as a muzzle portion and the remainder of said cylindrical bore being defined as a main portion, the diameter of said muzzle portion being greater than the diameter of said main portion at the grooves.

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