.45 Colt. 5.5" barrel length. SN: SA3197. Blued and casehardened metal finish with walnut grips and mounting fixed front blade and topstrap rear notch sights. Single action six-shot loading gate revolver with a black powder style frame and smokeless powder style rifling. Markings include two-patents in two lines mark on left frame followed by U.S., and reproduced cartouche to grip. ASM maker markings, bullseye ejector rod head, Italian smokeless powder firing proofs, and HARTFORD CT MODEL marking to the top of the barrel. {MODERN}