Primary Arms SLx MD-21S Micro Dot Sight with ACSS CQB Reticle – Red

The Primary Arms SLx MD-21S is a high-performance micro dot sight engineered for close-quarters battle (CQB) applications where speed, accuracy, and reliability are non-negotiable. Featuring the innovative ACSS CQB reticle, this optic delivers fast target acquisition and intuitive aiming solutions for defensive use, home protection, tactical applications, and competitive shooting.

Weighing just 5 ounces, the SLx MD-21S is purpose-built to keep your rifle lightweight and maneuverable without sacrificing durability. Upgraded mounting hardware provides guaranteed rigidity and precision, so your zero stays true when it matters most. Whether you’re running drills at the range, building a duty carbine, or setting up a home-defense rifle, the MD-21S delivers exceptional value and performance in a compact, rugged package.

At Deep Roots Rifle Co, we stock a strong selection of Primary Arms optics for shooters of all skill levels. Order the SLx MD-21S online at deeprootsrifleco.com for fast shipping nationwide, or stop by our gun store in Eustis, Florida to see it in person and get expert advice from our knowledgeable staff.