Absolute Co-witness vs. Lower 1/3 Sights
This video clarifies the difference between absolute co-witness and lower 1/3 sight heights for red dot optics on AR-15 platforms. It highlights how lower 1/3 offers a better field of view and ergonomics, reducing visual distraction for faster target acquisition, while absolute co-witness can simplify initial zeroing. The demonstration shows how a spacer can convert a mount type.









