A very afforable Axeon Trisyclon Dot Sight Scope from Elite Force can now be ordered from Airsoft Atlanta... "Awesomely designed Axeon sight illuminates Red / Green / Blue dot reticle for fast target acquisition. Fits on all standard top rail receivers. Looks great on the M4 platform.
Pick three colours to use for sighting your target with your dot sight with the G&G Tactical Red-Green-Blue Dot Sight that Jonathan Higgs reviews in this Airsoftology video... "Jonathan's taking a look at a surprising item from G&G; their latest Tactical Sight... but this rugged scope packs 3 tricks up its sleeve. Watch and see what Jonathan thinks of this $70 US Optic, and then voice your opinion on it below too."
Genuine Burris Red Dot Sight in stock right now at eHobby Asia... "FastFire sights are light, small and tough, placing a powerful bright red 3 MOA dot on your target. FastFire III models have three manual brightness settings and an automatic brightness setting with a top-mounted battery (CR1632), and upgraded windage and elevation adjustments.