Upgrade Your Holosun HS510C with Our Killflash/Anti-Reflection Device (ARD) Enhance your Holosun HS510C optic with our Killflash/Anti-Reflection Device (ARD), designed to minimize glare and reflections for a crisper, clearer sight picture in bright conditions. Whether you're shooting in tactical, hunting, or low-light environments, this ARD improves visibility and target acquisition. Key Features Precision Fit: Engineered specifically for the Holosun HS510C, ensuring a secure and reliable installation. Glare Reduction: Effectively minimizes reflections, improving target visibility and maintaining concealment. Effortless Installation: Quick and easy mounting with an interference fit around the optic. Optimized Clarity & Speed: Maintains optical clarity, target acquisition speed, and eye comfort. Two Versatile Options: Standard ARD Best For: Tactical operations, hunting, and outdoor shooting. Benefits: Maximizes glare reduction for optimal concealment and clear vision in bright conditions. Open Center ARD Best For: Low-light environments, precision shooting, and rapid target engagement. Benefits: Allows increased light transmission for better clarity and faster target acquisition. Which ARD Is Right for You? Standard ARD: Choose this for maximum glare reduction and stealth, ideal for bright environments where concealment is critical. Open Center ARD: Opt for this if you frequently shoot in low-light conditions and need enhanced clarity and brightness. Important Installation Notes: The Killflash/ARD is secured by reinstalling the two front Torx screws on the HS510C's hood. It is held in place with an interference fit, ensuring a firm and stable hold. Caution: Do not overtighten the screws, as the plastic at the mounting joint is delicate and may crack. MADE IN THE USA. BACKED BY THE LUPUS 9 LABS LIMITED LIFETIME WARRANTY.