Troy BattleSights set the world standard for performance and durability. Now, Troy has developed a rugged low-profile sight designed for firearms with top rails higher than the standard M4. For shooters who favor a sightline that's as close to the barrel as possible, or for those with raised top rail systems, the Troy Micro BattleSight provides an ideal solution. The Troy Micro BattleSight greatly enhances weapons such as the new IAR, the Sig Sauer 556 Pistol and Carbine, POF 416, FN Scar, Robinson Armament XCR, Heckler & Koch 416; & 417; and other weapons with raised top rails. Troy Micro BattleSights are rugged, reliable and BattleReady. Sold as a set only. Specifications for Troy Micro Set HK Top Mounted Deployable Iron Sight: Manufacturer: Troy Additional Features: Dual Aperture Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Front and Rear Gun Model: SIG Sauer 556 Front Sight Color: Black Rear Sight Color: Black Front Post Shape: Post Deployable: Yes Front Material: Aluminum Blade Height: 1.16 in Rear Blade Height: 1.16 in Front Blade Height: 1.16 in Illumination Type: Non-Illuminated Gun Type: Rifle Illumination Color: None Hand: Ambidextrous Mount Type: Picatinny Finish: Mil-Spec HardCoat Anodized Package Contents: TROY Micro Set - HK Front and Round Rear Folding Sights