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Perfect for 1/3 Co-Witness
Written on Feb 25, 2021
Review for
Holosun HS510C Riser
I have an AR upper with A2 fixed front sight. The HS510C sits at absolute co-witness level. For short ranges, 7m or so you need to aim at the bottom of the 65moa reticle. With the 1/3 co-witness it sits slightly above the A2 sight and is perfect for picking up the dot at any range. I zeroed at 50m. I can shoot 1" groups at 50m and at 7m using the bottom of the reticle consistently hitting 1" groups without worrying about my hold. It is quality made, went on super easy. Applied a little blue locktite when I added it and it is holding zero perfectly. Placed my order with Optics Planet and 7 days later it was on my AR. Highly recommend the spacer and Optics Planet!
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