Manufactured between 1906 and 1936. Standard two line address/patent dates marked on the top of the barrel ahead of the rear sight and standard three line marking on the left side of the receiver above the serial number. The left side of the receiver ring is marked "R U". Blade front and adjustable buckhorn sporting rear sights. Mounted with a smooth forearm with small sling swivel and straight grip stock with a Remington UMC marked steel crescent buttplate.