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A combination brush and jag comprising a stem, a set of short bristles having first longitudinal length and a first transverse diameter; a set of long bristles having a second longitudinal length and a second transverse diameter; the set of short bristles and long bristles positioned adjacent to eac

A combination brush and jag comprising a stem, a set of short bristles having first longitudinal length and a first transverse diameter; a set of long bristles having a second longitudinal length and a second transverse diameter; the set of short bristles and long bristles positioned adjacent to each other and secured in between the stem, wherein the first transverse diameter is smaller than the second transverse diameter and a bore diameter and the first longitudinal length is approximately the same as or shorter than the second longitudinal length.

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1. A combination barrel brush and jag, comprising: a. a set of shorter bristles having a first longitudinal length and a first transverse diameter;b. a set of longer bristles having a second longitudinal length and a second transverse diameter, the set of shorter bristles being adjacent to the set o

1. A combination barrel brush and jag, comprising: a. a set of shorter bristles having a first longitudinal length and a first transverse diameter;b. a set of longer bristles having a second longitudinal length and a second transverse diameter, the set of shorter bristles being adjacent to the set of longer bristles; andc. a stem having a first end and a second end opposite the first end, the stem defining a longitudinal axis, wherein the shorter and longer sets of bristles project radially outwardly from the stem, wherein the first transverse diameter of the set of shorter bristles is smaller than a diameter of a bore wall of a bore so as to define a gap between the bore wall and the set of shorter bristles and the second transverse diameter of the set of longer bristles is greater than the diameter of the bore wall of the bore when the brush and jag combination is concentrically positioned inside the bore, wherein the gap is approximately 0.005 inch to approximately 0.034 inch, and wherein the first longitudinal length is encompassed in approximately 5 to approximately 10 turns. 2. The brush and jag combination of claim 1, wherein the first transverse diameter is approximately 70% to 90% of the second transverse diameter. 3. The brush and jag combination of claim 1, wherein the first transverse diameter is approximately 72% to approximately 83% of the second transverse diameter. 4. The brush and jag combination of claim 1, wherein the first longitudinal length is approximately 60% to approximately 85% of the second longitudinal length. 5. The brush and jag combination of claim 1, wherein the first longitudinal length is approximately 69% to approximately 85% of the second longitudinal length. 6. The brush and jag combination of claim 1, wherein the set of shorter bristles is in between two sets of longer bristles along the stem. 7. The brush and jag combination of claim 1, comprising multiple sets of shorter bristles separated by at least one set of longer bristles. 8. The brush and jag combination of claim 1, wherein the set of shorter bristles and the longitudinal axis define an angle of approximately 10 degrees to approximately 170 degrees. 9. The brush and jag combination of claim 1, further comprising longer bristles intermittently spaced apart within the set of shorter bristles. 10. The brush and jag combination of claim 1, wherein the set of shorter bristles comprises bristles of varying lengths. 11. A combination barrel brush and jag, comprising: a. a set of shorter bristles having a first longitudinal length and a first transverse diameter;b. a set of longer bristles having a second longitudinal length and a second transverse diameter, the set of shorter bristles being adjacent to the set of longer bristles; andc. a stem having a first end and a second end opposite the first end, the stem defining a longitudinal axis, wherein the bristles within the shorter and longer sets of bristles project radially outwardly from the stem, wherein the first transverse diameter is approximately 70% to approximately 90% of the second transverse diameter; wherein when the brush and jag combination is concentrically positioned inside a bore the first transverse diameter of the set of shorter bristles is smaller than a diameter of a bore wall of the bore so as to define a gap between the bore wall and the set of shorter bristles, and the second transverse diameter of the set of longer bristles is greater than the diameter of the bore wall of the bore. 12. The brush and jag combination of claim 11, wherein the first transverse diameter is approximately 72% to approximately 83% of the second transverse diameter. 13. The brush and jag combination of claim 12, wherein the first longitudinal length is approximately 69% to approximately 85% of the second longitudinal length. 14. The brush and jag combination of claim 11, wherein the first longitudinal length is approximately 60% to approximately 85% of the second longitudinal length. 15. The brush and jag combination of claim 11, wherein the set of shorter bristles is in between two sets of longer bristles along the stem. 16. The brush and jag combination of claim 11, comprising multiple sets of shorter bristles separated by at least one set of longer bristles. 17. The brush and jag combination of claim 11, wherein the set of shorter bristles and the longitudinal axis define an angle of approximately 10 degrees to approximately 170 degrees. 18. The brush and jag combination of claim 11, further comprising longer bristles intermittently spaced apart within the set of shorter bristles. 19. The brush and jag combination of claim 11, wherein the set of shorter bristles comprises bristles of varying lengths. 20. A combination barrel brush and jag, comprising: a. a set of shorter bristles having a first longitudinal length and a first transverse diameter;b. a set of longer bristles having a second longitudinal length and a second transverse diameter, the set of shorter bristles being adjacent to the set of longer bristles; andc. a stem having a first end and a second end opposite the first end, the stem defining a longitudinal axis, wherein the bristles of the shorter and longer sets of bristles project radially outwardly from the stem; wherein when the combination barrel brush and jag is concentrically positioned inside a bore defined by a bore wall, the first transverse diameter of the set of shorter bristles is smaller than a diameter of the bore wall so as to define a gap between the bore wall and the set of shorter bristles, and the second transverse diameter of the set of longer bristles is greater than the diameter of the bore wall of the bore, and wherein the first longitudinal length is approximately 50% to approximately 100% of the second longitudinal length. 21. The brush and jag combination of claim 20, wherein the first longitudinal length is approximately 69% to approximately 85% of the second longitudinal length. 22. The brush and jag combination of claim 20, wherein the set of shorter bristles is in between two sets of longer bristles along the stem. 23. The brush and jag combination of claim 20, comprising multiple sets of shorter bristles separated by at least one set of longer bristles. 24. The brush and jag combination of claim 20, wherein the set of shorter bristles and the longitudinal axis define an angle of approximately 10 degrees to approximately 170 degrees. 25. The brush and jag combination of claim 20, further comprising longer bristles intermittently spaced apart within the set of shorter bristles. 26. The brush and jag combination of claim 20, wherein the set of shorter bristles comprises bristles of varying lengths.