Holosun IRIS-RD1 Laser - Red - The Holosun IRIS-RD1 is a compact, single-function red laser aiming device designed for users who demand reliable performance in a lightweight, low-profile form. Built with a redesigned 7075-T6 aluminum housing, the IRIS-RD1 achieves a 33% weight reduction and 20% lower profile compared to the popular LS117 series-making it ideal for modern rifles and compact platforms. The IRIS-RD1 features a red class 3R laser with a 635nm wavelength and 5mW output, providing a crisp and visible aiming laser. New enhancements include a top mounted on-board fire button with momentary and constant ON modes, a rear-facing power and mode selector, and a single button remote activation switch with a Crane-style plug for maximum flexibility. Whether you're outfitting a duty rifle or optimizing for lightweight performance, the IRIS-RD1 delivers simple, rugged functionality in a premium, minimalist package. 7075-T6 Aluminum Housing Compact Profile Red Class 3R Laser with a 635nm Wavelength and 5mW Output Dimensions: 3.4in x 1.6in x 1.2in Adjustment per Click: 0.5 MOA Working Temperature: -20 ~ 51 Submersion: IPX8 Vibration: 1000G Visible Laser Output: