USED Troy Micro Set HK Top Mounted Deployable Front and Rear Sight Black SSIG-IAR-SMBT-00. 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 Color: Black Additional Features: Dual Aperture Sight Mounting Orientation: Top Mounted Sight Position: Front and Rear Gun Model: SIG Sauer 556 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Black Front Post Shape: Post Deployable: Yes Fabric/Material: Hardened Aircraft Aluminum Stainless Steel 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 Attachment Type: Picatinny Finish: Mil-Spec HardCoat Anodized Country of Origin: USA Package Contents: TROY Micro Set - HK Front and Round Rear Folding Sights What firearm models does the manufacturer say Troy Micro Set HK Top Mounted Deployable Iron Sight is compatible with? The manufacturer suggests that Troy Micro Set HK Top Mounted Deployable Iron Sight is compatible with SIG Sauer 556Troy SSIG-IAR-SMBT-00: Micro Set HK Top Mounted Deployable Front and Rear Sight Black