Reason: None provided.
Co-witness red dot. or 1/3 co-witness red dot. such as https://www.amazon.com/Aimpoint-PRO-Patrol-Rifle-Optic/dp/B007GDR0I4
"Absolute co-witness with iron sights (with the supplied spacer installed)" "30,000-hours (3 years) of constant-on battery life at setting 7 of 10" $4 batteries
119 days ago
2 score
Reason: Original
Co-witness red dot. or 1/3 co-witness red dot. such as https://www.amazon.com/Aimpoint-PRO-Patrol-Rifle-Optic/dp/B007GDR0I4
"Absolute co-witness with iron sights (with the supplied spacer installed)"
119 days ago
1 score