Absolute co-witness means that red dot sight and iron sight align with each other. The iron sight and the center dot are at the center of the window.
Pros: It allows quick target acquisition.
Cons: It obstructs part of your view.
Lower 1/3 co-witness means the red dot sight is settled over the iron sight. The iron sight is at the 1/3 of the window. Two kinds of lower 1/3 co-witness, the dot at the center of the window or the dot at the center of the iron sight.
Pros: It provides wider view, compared to absolute co-witness.
Cons: You will need to adjust the line of sight when switching between the red dot sight and iron sight.
Check the Picture 1.
If you have flip-up iron sight, absolute co-witness will work better for you. You will have a standard height when you flip down the sight. Try our Scrapper 1x25 Red Dot Sight Gen II
If yours is fixed iron sight, 1/3 co-witness might be more suitable for you. Try our MAVERICK 1X22 S-SOP
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Explore the best scope options for IPSC PCC, Mini Rifle, and Shotgun divisions. This post covers the ideal optics, from red dots to LPVOs and prism scopes, to help you enhance accuracy and speed in competition.
