Windage-Adjustable for Zeroing Tool-less Elevation Adjustment Multiple Front Sight Pin Options 100% CNC Machined in the USA Product Description Packs all the high-quality features Ultradyne is known for into lightweight, compact, sight system. Fully machined from the perfect combination of 416 SS and aircraft aluminum to maximize strength and weight. The rear sight boasts a positive click oversized windage knob which serves as storage for the .070 aperture when using the ghost ring. The C2 Front Sight System makes sighting in a breeze by offering both windage and elevation adjust-ability. The C2 Sight combo offers a dual aperture system that features a 12 MOA front sight aperture and gives the advantage of lightning-fast target acquisition while improving accuracy. Improved accuracy is created by the enhanced clarity and reduction of parallax due to the optical characteristics of the C2 dual aperture. In addition, the C2 enables the shooter to see 100% of the target, not cover it. This promotes proper shooting techniques and allows the shooter to focus on the only thing that matters, the target!