Viridian RFX45 Green-Dot Reflex Sight 1x24MMX15.50mm - 5 MOA Dot Reliable Green-Dot Sight for Quick Targeting - 981-0058
All Viridian optics
Click to see full view
Viridian
Overview
The Viridian RFX45 is a reflex sight designed for quick target acquisition, featuring a 5 MOA green dot that provides a clear and visible aiming point in various lighting conditions. This optic type is ideal for fast-paced shooting scenarios, allowing builders to enhance their accuracy and speed when lining up shots. Commonly found in builds utilizing the 5.56 NATO caliber, this sight complements a range of AR-15 configurations.
Specifications
Viridian RFX45 Green-Dot Reflex Sight 1x24MMX15.50mm - 5 MOA Dot Reliable Green-Dot Sight for Quick Targeting - 981-0058
Available Merchants(5)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the Viridian RFX45 Green-Dot Reflex Sight 1x24MMX15.50mm - 5 MOA Dot Reliable Green-Dot Sight for Quick Targeting - 981-0058 to a build in June 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 4 of the 5 retailers we track have it in stock. It dipped to $229.48 at MidwayUSA for a stretch in September 2026, well under its usual $349, so sales do come around. Buying today, the lowest price is $349 at Classic Firearms, above September's low of $229.48, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which optic to pick?
We ranked every optic by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Red Dot & Optic Guide →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Wilson Combat M16 Bolt Carrier Assy 5.56 NATO Polished Nickel Boron
Battle Arms Development Rack Ambidextrous AR-15 Charging Handle - Mod C
Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Flat Dark Earth - STS1512
Mdt Skeleton Carbine Stock With Cheek Riser 9.75in Black
Geissele Automatics Hi-Speed National Match Trigger Set
PSA JAKL 10.5" 5.56 NATO 1/7 Nitride Complete Upper With BCG, Bolt Catch & Bolt Catch Roll Pin
No reviews yet. Be the first to review this product!