Manufactured circa 1910 and fitted with a later production Model 1913 Warner & Swasey 5.2 power telescopic sight. The Ordnance Department purchased 5,730 M1913 Warner & Swasey telescopic sights between 1913 and 1918. The rifles and telescopic sights were intended to be kept together as a unit. The left side of the rifle receiver is drilled and tapped for the sight bracket, and the three base screws are staked in place. The left side of the stock is inletted for the bracket feet. The sight has a black enamel finish and is fitted with the distinctive rubber eye cap. Brass drift and wind correction plates are screwed to the top of the sight body and objective lens. The left side of the sight body is marked with the model designation,"1913", serial number, "2182", and the Warner & Swasey address and patent numbers. The inside of the sight rail is stamped "FOR RIFLE NO. 586037". With an early pattern "S" stock with a single reinforcing bolt and fine checkered buttplate. The high hump hand guard has the sight clearance cut and two spring clips. The stock and hand guard are oil finished black walnut. The left side of the stock wrist is stamped with the block letter "J.F.C." final inspection mark. A circled script "P" proofmark is stamped on the underside of the wrist behind the trigger guard, and a small "S" is stamped on the tip of the stock. The rear sight has a 2,750 yard center notch, small knurled and grooved slide binding screw with concave face and large knurled and grooved windage knob with concave face. The alignment marks on the front sight and front sight base match. The trigger is the smooth thin style used through 1910. The rifle has a blue barrel, barrel bands, rear sight base, trigger guard, floor plate, sling swivels and bolt. The receiver, cocking piece and safety have a mottled casehardened finish. The top of the receiver is roll-stamped with the standard model marking and serial number, "400422". The top of the barrel is stamped "SA/flaming bomb/2-10". The safety lever and magazine cut-off have early serrifed markings. Complete with a rear sight cover, nickel-plated oiler and M1907 sling marked "R.I.A./1909". The telescope sight is accompanied by a Rock Island Arsenal 1918 dated russet leather scope case complete with shoulder strap and sight adjustment tool. Although the Warner & Swasey telescopic sight is not original to this rifle, the scope and rifle combination are a good representative example of the first telescopic sighted rifle issued and used in action by the U.S. Army.