Done setup/upgrades and zero the Sport. Red dot needs rear sight?

[Rastoff]

At close ranges, 50 yards or less, most of the cheap red dots have parallax problems. Parallax can be defined appropriately to rifle scopes as the apparent movement of objects within the field of view in relation to the reticle.

I will post some pictures in a little while to help with this. At the moment, it sounds like you have a parallax issue with your red dot scope. What model and make of red dot do you have?

 

[Rastoff]

But The dot moves around when my head moves.

OK, I think we've already answered this question, but here it is in pictures. I'm using an EOTech 556 which is a Hologram Weapon Sight (HWS) and it's not a red dot, but the use and results are the same.


This is how I set up my rifle:

It doesn't matter what it's pointed at, just so the rifle doesn't move for this test.

Here is the EOTech sighted in on the base of a tree:

Notice that the reticle is just a little off to the left, but the dot in the middle is on the base of the tree way off in the distance.

In this picture I moved the camera just a little to the right, but the rifle was not touched:

Notice that the reticle has moved in relation to the frame of the optic, but that the dot is still at the base of the tree.

This is how your red dot should work. If you move your head, the dot should stay on the target. If the dot is not staying on the target, you have a parallax problem and should consider a different sight or send that one for repair.

 

[gunny4053]

Lets' make this really easy. Go to the range, shoot using the iron sights with the red dot co-witnessed, fold down the rear sight, and shoot using just the dot while aiming at the same point as you did before. Keep the dot on the target, but with it at a different location in the sight. The rounds will continue to hit the target because that's where you put the dot.

Good Luck and good shooting.

PS... Rastoff, love that sight picture. Now where's that stupid piggy bank?