Built for concealed carry and defensive pistols, the RFX42(TM) Enclosed Green Dot Reflex Sight combines the durability of an enclosed emitter design with a crisp 3.5 MOA green dot for rapid target acquisition in any environment. Featuring a rugged aluminum housing, removable side-loading battery tray, INSTANT-ONA(R) activation, 10 brightness settings including 2 night vision modes, and Shield RMSc footprint compatibility, the RFX42(TM) is engineered for reliability, speed, and everyday carry performance. Compact. Sealed. Ready. The Viridian RFX42 is a compact enclosed emitter green dot sight engineered for fast target acquisition and dependable performance in any environment. The enclosed design protects the emitter from dust, moisture, and debris, maintaining a clear, uninterrupted sight picture in all conditions. The 3.5 MOA green dot offers a bright, crisp aiming point that stands out quickly against any background. With 10 total brightness settings-including 2 night-vision compatible modes-you can adapt to changing light conditions with precision. Compatible with the Shield RMSc footprint, the RFX42 installs easily on most compact optics-ready handguns. The fully multi-coated aspherical lens ensures optimal clarity and light transmission. Constructed from CNC-machined aluminum with an IPX6 waterproof rating, this sight weighs only 0.9 oz while maintaining full durability. Side-load battery drawer lets you swap power without removing your optic. Engineered with a Shield RMSc footprint, the RFX42 mounts directly to RMSc-ready pistols. With INSTANT-ONA(R) motion activation, the RFX42 powers up the moment you draw. A crisp 3.5 MOA green dot delivers rapid target acquisition and pinpoint accuracy-day or night. 8 daylight and 2 night vision settings to keep your sight visible in every condition. Machined aluminum housing with IPX6 waterproofing shrugs off abuse, weather, and recoil. Key Features 3.5 MOA Green Dot: Clean and accurate for quick target alignment. Enclosed Emitter Design: Prevents sight interference from weather and environmental debris. Instant-OnA(R) Technology: Motion-activated power-up for faster response. 10 Brightness Settings: 8 visible + 2 NV-compatible levels. 28,000-Hour Battery Life: Runs on a single CR1620 battery. Shield RMSc Footprint: Compatible with a wide range of compact pistols. Lightweight and Durable: 0.9 oz aluminum housing with IPX6 waterproofing. This box includes: RFX42 CR1620 Battery Wrench Set Viridian Cleaning Cloth Viridian Logo Sticker Quick Start Guide Product Registration Exclusive Promotions Mounting and Adjustment Wrenches Mounting Screw Sets Screw Sets: #6-32 x 0.341", T10, AS, BO #6-32 x 0.500", T10, AS, BO M3 x 0.5 x 12.70mm, T10, AS, BO M3 x 0.5 x 8.67mm, T10, AS, BO M4 x 0.7, 8.67mm, T10, AS, BO M4 x 0.7, 12.70mm, T10, AS, BO