(1) Viridian Optics RFX1 Custom Green Dot Reflex Sight – 3moa. FITS S&W Bodyguard 2.0 ONLY. Instant on with auto shut off. 30,000 hours of battery life. This is an OEM factory part. These items are not for sale in retail stores and have no retail packaging. This Smith & Wesson factory part may require disassembly and assembly to replace it. It is recommended that all Smith & Wesson parts be installed by a qualified gunsmith.