Clip-on occlusion training cover for your Trijicon SRO red dot. - Trains target focused shooting in both live and dry fire - Keeps dot visible in unfavorable lighting conditions such as when shooting at sunrise/sunset - Keeps carbon and debris off of your lens - Weighs ~4.5 grams / 0.15 ounces Notes: - Requires ~2mm of clearance under the lens hood - Fits with Calculated Kinetics Dogtag optic plates Installation: 1. Hook the Occlusion Cover over the bottom of lens hood 2. Press top of Occlusion Cover back until the clip snaps into place Removal: 1. Press up on the tab behind the retention clip until it unclips from the lens hood 2. Wiggle the Occlusion Cover while pulling forward to remove Install/Removal Instructions available here: https://vimeo.com/1210413049 For questions or comments, send us a message at bdgearworks [at] protonmail [dot] com