Truglo TFX Sight Day/Night Sight for S&W J Frame (Pinned Front Sight Models Only) Front Sight Greenw/ White Focus Lock Ring Green Tritium TG-TG13SJ1A

Glowing bright both day and night” TFX sights are always ready. TFX takes their award-winning Tritium + Fiber-Optic technology even further with all the features their customers requested: compact snag-free design” longer sight radius” and amazingly durable construction built to handle just about anything. Illuminating elements are encased inside a virtually indestructible chemical and shock-resistant capsule and the CNC-machined steel is protected with a rust-resistant FORTRESS FINISH.