M1861 Springfield with Bayonet. should be .58 cal, but my tool falls right around .61 cal. Has 39.25" barrel, NSN, circa 1861-1865. Dimensions: 56" long overall. This firearm is antique and does not require special licensing. Processing and shipping within the Continental US $125 . All FedEx packages are sent with Direct Signature Required and insured at full replacement value for a fee of 1.5% of the purchase price, unless buyer accepts complete liability in writing. Discounts given on combined lot shipping. Overall good condition. Has a strong functioning action and no missing parts. consistent pitting over whole surface including bayonet. Bore very worn, rifling barely visible. stock has a good color, has a few dings and scratches.