The RMSc, a streamlined version of the highly popular RMS, is specifically designed for single-stack pistols, including concealed carry handguns like the Glock 43, Smith & Wesson Shield, and 1911. Its low-profile, compact design makes it the perfect optic for custom pistol builds, offering a seamless fit for those looking to optimize their carry setup. When paired with the matching low-profile Glock MOS plate, the RMSc sits so low that it allows for co-witnessing with standard iron sights, eliminating the need for suppressor sights. As the original compact mini sight for slimline pistols, the RMSc is so beloved that manufacturers have designed firearms around it, including the Glock 43x and G48. Featuring a new scratch-resistant, ultra-clear glass lens and upgraded electronics with improved battery contacts, the RMSc maintains its slim frame while providing unmatched clarity and reliability for everyday carry. The mount is compatible with Shield's famous footprint for easy and secure optic attachment Shield patented mechanism enables co-witnessing with standard iron sights, reducing training times and costs The mechanism uses no-click adjustment, allowing for infinitely more accurate zeroing without predefined steps The D-shaped, crystal-clear lens ensures no filters disturb the image, providing an unobstructed, high-quality view through the sight Machined from aerospace-grade aluminum, this optic combines precision engineering with a modern, stylish aesthetic Weighing only 16.2 g (battery excluded), it offers a lightweight design that doesn't compromise performance Auto brightness adjustment ensures your sight is always on and ready, automatically adapting to changing light conditions for optimal visibility The 20000 hr average daylight battery life with a CR2032 ensures reliable performance throughout your shooting sessions