Rare 7½” Colt Single Action Artillery revolver. Made in 1890. Beautiful gun with excellent original blue and case colors. Most of the artillery model were shortened to 5½” and assembled from mix numbered parts. There are several variations to the artillery models, which include all matching, long barrel all matching and in this case long barrel mismatch. The condition is excellent. Bright case colors and excellent blue. Excellent grips with very sharp cartouches. Very rare gun in beautiful condition!