The Unity Tactical FSTM4B FAST FTC 4X Magnifier delivers a precise 4x magnification within a rugged, black anodized housing that is waterproof, ensuring reliable performance across varied weather conditions, and featuring adjustable windage and elevation for exact targeting when paired with red dot sight accessories. This lightweight, compact magnifier weighs 12.50 ounces and measures 4.20 inches in length, offering an eye relief of 2.60 inches and a generous field of view of 30.1 feet at 100 yards, making it a versatile addition to any rifle optics setup. Designed to seamlessly integrate with existing rifle optics through a Picatinny mount, it enhances shooting accuracy and situational awareness for competitive shooters, tactical operators, or hunting enthusiasts alike. The FSTM4B embodies Unity Tacticals commitment to clarity and precision, providing dependable performance in challenging environments and allowing you to elevate your sighting system without sacrificing speed or ergonomics. With its robust construction and refined optical performance, this 4x magnifier is an essential tool for achieving reliable target acquisition and enhanced accuracy across a range of practical applications.