
From the 1909 catalogue --


Also, some places they called it the "Model of 1908." From the 1910 pocket catalogue --

In 1911 the company name was changed to Remington Arms - Union Metallic Cartridge Co. when Marcellus Hartley Dodge combined his two companies. By the Rem-UMC catalogue dated 1913-14 they were calling the gun the Model No. 10 --

In that your gun is marked Remington Arms Co. it is from the 1908-1910 time frame.