The NcStar AR15 Flip Up Front Sight Black by Ncstar blends rugged aluminum and steel construction with practical back?up illumination for reliable performance in the field, featuring an AR-15 flip?up front sight that serves as a versatile back?up iron sight when your primary optic is in use. Designed to mount on top of gas blocks with Picatinny rails positioned lower than the AR15 receiver rail, this sight folds down out of view to preserve optics clarity and quickly flips up for use when accuracy and speed matter. The A2 front sight post is fully adjustable for elevation, allowing precise zeroing across varied shooting scenarios, while the compact 1.2 inch extended profile and 2.1 inch folded length keep the setup streamlined without adding undue bulk. Weighing only 3.4 ounces, it delivers durable performance without sacrificing maneuverability, making it an ideal upgrade for rifles that demand dependable iron sights in conjunction with modern optics. Whether youre dialing in field position shots, training for rapid target acquisition, or enhancing a home defense AR platform, this flip?up front sight delivers a solid, repeatable reference point that integrates seamlessly with existing Picatinny rails.