Viridian 9810176 RFX42 Black 21x17 mm Green Dot Reticle

Built for concealed carry and defensive pistols, the RFX42™ 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-ON® activation, 10 brightness settings including 2 night vision modes, and Shield RMSc footprint compatibility, the RFX42™ 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–ON® 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-On® 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