Xs Sights Standard Dot Tritium - S&w J Frame & Ruger Sp101 (fixed Rear) Marine Inertia fed

Inertia fed

Legs that instantly spring out to the shooting position with the touch of a button

Audio/Video In’s & Out’s

and adjustable chime volume

Xs Sights Standard Dot Tritium - S&w J Frame & Ruger Sp101 (fixed Rear) Marine Inertia fedXS Sights Standard Dot Tritium S&W J Frame & Ruger SP101 (fixed rear) The XS Standard Dot tritium night sight is a superior defensive sight. Fits S&W J Frame with pinned front sight and Ruger SP101 with a fixed rear. Precision machined in Fort Worth, TX, XS Sights feature a Standard Dot Tritium front sight for fast sight acquisition in all light conditions. Standard Dot is larger than most fronts to be seen under stress, but covers less of the target