you can use a EOTech alone, the dot is a 1moa center surrounded by a 65moa circle, put the dot on what you want to hit.
1moa for fine work
65moa for close
MOA is minute of angle, 1minute is approx = 1" at 100 yard
Now you can use the iron sites with the red dot, call co-witnessing
1moa for fine work
65moa for close
MOA is minute of angle, 1minute is approx = 1" at 100 yard
Now you can use the iron sites with the red dot, call co-witnessing