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

Inertia fed

weatherproof and astonishingly durable

The small 900mHz transmitter module can be located anywhere in the vehicle

Ultra-stable

8oz Bottle

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