If you prefer battle proven design or want a set of top quality back up irons, then the Midwest Industries HK Style Combat Fixed Front Sight fits the bill. Made of durable, yet lightweight aircraft grade aluminum, the sight is secured to any Picatinny, weaver top mounted rail along any sized handguard. Features: For AR15/M4/M16 Rifles and other platforms Mil-Spec sight height HK type sight picture Uses standard A2 front sight post Billet machined from T6 6061 aluminum Hardcoat anodized 1.5 MOA per click adjustments 100% Made in the U.S.A. *TORQUE CLAMP SCREW TO 35 INCH/POUNDS Palmetto State Armory is your one-stop shop for Modern Sporting Rifle parts and accessories!