Troy Tritium HK Top Mounted Deployable Front and Rear Sight Black. Constant illumination with tritium makes these AR 15 Parts from Troy Industries ideal for shooting at sunrise and sunset when most hunting happens. Troy Micro Night Sight Sets are rugged and reliable - built to withstand recoil. Troy Micro Tritium BattleSights are easy to install fit solidly and are a great choice for your AR. Specifications for Troy Tritium HK Top Mounted Deployable Iron Sight: Manufacturer: Troy Color: Black Additional Features: Dual Aperture Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Front and Rear Gun Model: AR-15 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Black Front Post Shape: Blade Deployable: Yes Fabric/Material: Stainless Steel Hardened Aircraft Aluminum Front Material: Aluminum Blade Height: 1.16 in Rear Blade Height: 1.16 in Front Blade Height: 1.16 in Illumination Type: Tritium Gun Type: Rifle Illumination Color: Green Hand: Ambidextrous Finish: Mil-Spec HardCoat Anodized Attachment Type: Picatinny Mount Type: Picatinny Country of Origin: USA Features of Troy Micro Front & Rear Folding Tritium Night Sights SSIG-IAR-STBT-00: Rugged low-profile reliable and Battle Ready. Designed for firearms with top rails higher than the standard M4. Fold down to fit below other optics when needed. For shooters who favor a sight line that's as close to the barrel as possible. For raised top rail systems like the IAR the Sig Sauer 556 Pistol and Carbine POF 416 FN Scar Robinson Armament XCR Heckler & Koch 416 & 417. Tritium illumination for low light levels. Quick install easy adjust. Available as a set only. Limited Lifetime Warranty. Package Contents: Troy Tritium Micro Sight Set SSIG-IAR-STBT-00 What firearm models does the manufacturer say Troy Tritium HK Top Mounted Deployable Iron Sight is compatible with? The manufacturer suggests that Troy Tritium HK Top Mounted Deployable Iron Sight is compatible with AR-15Troy SSIG-IAR-STBT-00: Tritium HK Top Mounted Deployable Front and Rear Sight Black