Patent ID: 8146284

Claim:
A combination barrel brush and jag, comprising: a. a set of short bristles, each bristle within the set of short bristles having a first length defining a first transverse diameter; b. a set of long bristles, each bristle within the set of long bristles having a second length defining a second transverse diameter, the set of short bristles being adjacent to the set of long bristles; c. a stem having a first end and a second end, the stem comprising a first wire stem, and a second wire stem parallel to the first wire stem, the stem defining a longitudinal axis parallel to the first and second wire stem, wherein the first and second set of bristles are positioned in between the first and second wire stem and fixed in place by a twist created by the first and second wire stems about each other along the longitudinal axis, wherein the first transverse diameter does not equal the second transverse diameter, and wherein the first transverse diameter is less than a bore diameter of a bore wall and the second transverse diameter is greater than or equal to the bore diameter; d. a patch having a thickness configured to wrap around the set of short bristles, wherein the set of short bristles evenly distribute the patch against the bore; e. wherein the patch has a shape selected from the group consisting of a rectangle, a triangle, a circle, and a square, and wherein the patch has a radius or distance from a center of the patch to a corner of the patch defined by equation 2.