Trijicon Sig HD Night Sight SetOrange Front Outline Comparable to 8 Front/8 Rear. Trijicon builds this line of rugged Tritium Pistol Sights specifically for tactical shooters to speed up target acquisition even at dusk and dawn. The rear sight of this Trijicon HD 3-Dot Night Sight Set has horizontal serrations and is angled toward the user for emergency one-handed slide operation. The versatile Trijicon Heavy Duty Night Sight Set is a great choice for a PDW or duty weapon. Specifications for Trijicon Sig HD Night Sight Set: Manufacturer: Trijicon Gun Make: SIG Sauer Gun Model: SIG Sauer P320 SIG Sauer P225 SIG Sauer P239 SIG Sauer P226 SIG Sauer P228 Color: Green Front Sight Color: Green w/ Orange Outline Rear Sight Color: Green w/Black Outline Fabric/Material: Metal Front Material: Tritium/Paint Gun Type: Pistol Attachment Type: Professional installation recommended. Front Blade Height: 0.215 in Rear Blade Height: 0.218 in Additional Features: Doesnt fit P938 Condition: New Features of Trijicon Heavy Duty Tritium Night Sight Set Sig Sauer 9mm/.357SIG TJ-AP-SG101SET: Metal Body: Each sight is manufactured to fit specific handgun makes and models. Tritium-Phosphor Lamp: Tritium-filled glass lamp provides superior illumination in no light or low light settings. Sapphire Window: Each tritium lamp is capped with a sapphire jewel which helps to evenly distribute the light from the tritium lamp as well as protect it from solvents and punctures. Silicone Rubber Cushion gives additional shock protection to tritium-filled glass lamps within the aluminum housing. Protective Aluminum Cylinders contain and protect the trium gas-filled lamps from heavy recoil and harsh cleaning solvents. Protective Clear Coat and High Visibility Colored Front Sight Post resist powder residue and cleaning solvents to keep color bright for years. Glow-in-the-dark photoluminescent paint aids visibility and quicker target acquisition in transitional light. U Notch Rear Sight specifically designed to enhance front sight acquisition. Subdued Rear Sight with angled and serrated surface to reduce glare and black painted rings to enhance focus on front sight. Front surface of rear sight is steeply hooked to assist in emergency one-handed slide operation. Fits Sig Sauer models calibrated for 9mm and .357SIG including P225 P226 P228 P239 and P320 (Excluding P938). Comparable to #8 Front/#8 Rear. Package Contents: Trijicon Sig Sauer HD Night Sight Set 9mm/.357SIG TJ-AP-SG101SET Trijicon SG101O: Sig HD Night Sight SetOrange Front Outline