Springfield model 1870 Remington—Navy

The Springfield Model 1870 rolling-block U.S. Navy rifle was a shipboard small arm for use by the United States Navy, employing the Remington Arms Company rolling-block design, and manufactured under a royalty agreement with Remington. Note: Springfield Model 1870 may also refer to the Springfield Model 1870 rifle.

Source: Wikipedia — Springfield model 1870 Remington—Navy (CC BY-SA 4.0)