Manufactured from 1912 to 1918 with a limited number produced. The top of the barrel is stamped with the standard three line model/address marking and "RD NO 479972" on the underside under the cocking lever. The left rear of receiver is marked "No. 67166" over "2". The cocking lever has a side release button and is mark "PATD 3/4/06". Blade front sight, elevation adjustable rear sight, an adjustable peep sight mounted behind the frame and an adjustable trigger. Mounted on a checkered short sawhandle grip stock with a serrated bare butt.