Gamo Illuminated 20mm Green Dot Sight 10 MOA Airsoft Airgun Fits 3/8 Inch Rail

Gamo Air Gun Electronic Illuminated Green Dot Sight is ideal for use on airgun and airsoft pistols. I bought it to use on my nerf gun but it didn’t fit the rail so it’s brand new The Green Dot Sight features a low profile design, coated reflected lens, and 2 brightness settings. Designed to fit any 3/8" grooved receiver.