The Scalarworks Peak Fixed Sight Set are the World's finest fixed iron sights. Designed for discriminating shooters who want modern features, refined styling, and have an appreciation for classic AR-15 fixed iron sights. Peak Sights have a streamlined profile free of protruding levers and knobs that won't rap your knuckles, or get caught on clothing, gear, and surroundings.Meticulously machined to be the lightest fixed iron sights in existence, without compromising an ounce of strength. Every major component is custom designed with meaningful improvements to function, and precision CNC machined to the highest standards of fit and finish.Features: 7075-T6 aluminum with MIL-A-8625 Type III hardcoat anodizing and black nitrided 4140H steel Height over rail: 1.42" @ center of elevation range Click value: 0.5 moa @ 15" sight radius Adjustment range: 47.2 moa elevation / 57.6 moa windage @ 15" sight radius Flip apertures: 0.07"/0.20") diameter - same-plane Sight post: 0.053" width - non-rotating Weight: 0.94oz sw1010 / 1.35oz sw1020 Lifetime warranty