When you zero your rifle, a quick way to expedite the task is to use your backup iron sights to co-witness and adjust the HWS reticle to be inline with the BUIS. This method will get your zero close, but likely not perfect; Be sure to confirm your zero with live fire.
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Why did you not say exactly where you added the back sight? How can I follow your instructions if you don’t let me know where the heck you put things???
Thanks for the informative video