Sig Sauer 1911 X, Single Action Only, Semi-automatic, Full Size, 45ACP, 5 Barrel, Stainless Steel Finish, Silver, Optics Ready, G10 Grips, XRay3 Day/Night Sights, 8 Rounds, 2 Magazines 1911XR-45-SS The classic 1911 has joined the Red Dot Revolution with the introduction of the new 1911-XFULL from SIG SAUER. A balance of classic engineering and style with modern upgrades including an ultra-low-profile direct-mount optic capability and XRAY3 Day/Night sights for extreme sight picture visibility.