Trijicon Bright & Tough 3 Dot Night Sight Set Green Front & Rear - S&W 1911. The patented aluminum cylinder and sapphire lens construction cannot be equaled. The brightness obtained from the tritium content is focused through the sapphire lens to give the maximum possible illumination. Because the sight blades are machined from steel rather than cast their strength is unsurpassed. Trijicon night sights are the brightest strongest and safest. Trijicon SA 36 S&W 1911 Night Sight Set are the perfect addition to your firearm to ensure the best shot in all lighting conditions. Specifications for Trijicon Bright & Tough SA36 Smith&Wesson 1911 3 Dot Night Sights: Manufacturer: Trijicon Gun Make: Smith & Wesson Gun Model: Smith & Wesson SW1911 Color: Green/Green Front Sight Color: Green w/White Outline Rear Sight Color: Green w/White Outline Fabric/Material: Metal Front Material: Tritium/Paint Gun Type: Pistol Front Blade Height: 0.168 in Rear Blade Height: 0.273 in Condition: New Features of Trijicon Bright & Tough SA36 Smith&Wesson 1911 3 Dot Night Sights: Instantly visible sight picture in no-light or low-light situations: Tritium phosphor-filled glass lamp provides battery-free glow allowing for a visible sight picture in all lighting situations. Increased daylight dot visibility: White-painted rings around tritium lamps enhance user's ability to see sight picture in bright-light shooting situations. Enhanced protection from heavy recoil and harsh cleaning solvents: Tritium gas lamps are contained within protective aluminum cylinders and have additional silicone rubber cushioning. Evenly distributed light from tritium lamps: Each Trijicon tritium lamp is capped with a sapphire jewel that helps evenly distribute the light from the lamp and also acts as an additional layer of protection from puncture and cleaning solvents. Package Contents: Trijicon Bright & Tough S & W 1911 3 Dot Green Front & Green Rear Night Sight Set SA36 Trijicon 3 Dot Night Sight Set Green Front & Rear - S&W 1911