For shooters who favor a sightline he is 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??? & 417???, FN Scar???, Robinson Armament XCR???, Heckler & Koch 416??? & 417??? and other weapons wit