Mounted a red dot to my flat top AR and while I can see clearly to aim, I find that it is mounted slightly too low to co-witness the top of the front sight post.
What would the best height be to raise it up? 1/2", 3/4", 1"?
Also where is the best place to find one?
What would the best height be to raise it up? 1/2", 3/4", 1"?
Also where is the best place to find one?


















































