Product Description The Primary Arms Optics SLx MD-21 Microdot is a compact, 1X red dot sight designed for fast target acquisition and reliable everyday performance. Featuring a 21mm objective lens and a crisp 2 MOA red dot reticle, this optic delivers a clear, unobstructed sight picture at any distance. The push-button brightness controls allow for effortless on-the-fly adjustments, while the Aimpoint Micro compatible footprint makes it easy to swap between a wide variety of mounts and platforms. Finished in a durable anodized black, the MD-21 mounts directly to Picatinny rails and is built to withstand the rigors of regular use. Product Highlights 2 MOA Red Dot Reticle - Precise 2 MOA dot provides a clean aiming point without obscuring the target, ideal for both close-quarters and medium-range engagements. 21mm Objective Lens - Offers a wide field of view and excellent light transmission for clear sight pictures in varied lighting conditions. Aimpoint Micro Footprint - Compatible with a broad selection of aftermarket mounts, allowing versatile mounting options across multiple platforms. Push-Button Brightness Controls - Intuitive plus and minus buttons make it fast and easy to adjust illumination settings even while wearing gloves. Anodized Black Finish on Picatinny Mount - Hard-anodized aluminum construction provides a lightweight yet rugged build ready for demanding use on Picatinny-compatible rails. Specs Brand: Primary Arms Optics Model: SLx MD-21 Microdot Manufacturer Part Number (MPN): 810027 UPC: 818500018254 Magnification: 1X Objective Lens Diameter: 21mm Reticle: Red Dot Dot Size: 2 MOA Mount Footprint: Aimpoint Micro Compatible Rail Compatibility: Picatinny Finish: Anodized Black Product Type: Red Dot Sight Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>