Holosun Reflex Sight-proper sighting

[gifbohane]

I just bought and installed an HS507KX2 on a 9mm S & W. I am having trouble with the sight picture. I searched youtube for the proper sight picture and even Googled it. I found nothing useful, so here I am.

I went to the range, placed the firearm on a rest and started testing. With the red dot squarely in the middle of the rectangular glass screen I shot about 6 inches low at 15 yards. To get it to hit the bull I had to drop the red dot to sitting at the bottom of the glass. I saw the red dot sitting on top of the front sight at the bottom center of the glass. Then I was on target. I was tempted to just raise the clicks to get the dot to center on the display but figured I better check first.

Suggestions?

 

[Quick1]

Welcome to red dots, you will learn to love them. Bottom line is it does not matter where in the glass the red dot is, as long as the dot is on the target the bullet should hit the target. To sight in, leave the dot in the center of the window and adjust (using your windage & elevation screws) the dot as needed to hit the target. Good luck!

 

[jmr40]

Turn the adjustment screws so you are hitting where you are aiming. That's what they are for.

 

[gifbohane]

Turn the adjustment screws so you are hitting where you are aiming. That's what they are for.

Let me clarify. Should the target and the red dot be center of the glass in order to be set up correctly and hitting the bull? Right now, it is set so the target and the red dot are line up at the bottom center of the rectangular glass to make a good hit on target.

 

[CapnMac]

. I saw the red dot sitting on top of the front sight at the bottom center of the glass.

That's my preference for handguns with the not-a-tube dot sights. There are those who will, cogently in my view, cite that as a "co-witness" to the iron sights. How true that is, or ought to be, will be down to the individual shooter.

For longer arms, rifles and carbines, where the sights are closer to your head, centered in the "window" of the sight will tend, at least to my experience, to be more 'reflexive' for the shooter. The round tube is more likely to "ghost ring" for more shooters. At least for my 2¢; others differ, that's their right.

Now, for handguns, our topic at hand, really the only thing that matters is if you are comfortable with the sight picture, and that, with practice, it becomes second nature. Whether any one else does it that way matters not a whit if you are getting the results you desire.

Only if you are not getting desired results should there really be an issue.

 

[Cokeman]

Is the RDS sitting completely flat on the slide of the gun?

 

[drobs]

Tag

I also have a Holosun RDS on a pistol that needs sighting in.

 

[chicharrones]

Let me clarify. Should the target and the red dot be center of the glass in order to be set up correctly and hitting the bull? Right now, it is set so the target and the red dot are line up at the bottom center of the rectangular glass to make a good hit on target.

Every red dot I've had, I sight in with the dot in the center of the glass.

If a red dot is on a gun that is capable of co-witnessing the iron sights off of center, like lower 1/3, I still sight in the red dot in the center of the glass. Hits will still be made if the dot is off of center, but some red dot sights do distort the view of target if seen at the edges of the glass. Which could affect fine accuracy to some degree.

I find this distortion of the view of the target especially noticeable in some red dots that have small windows.

 

[drobs]

Question - do you guys with RDS on your pistols sight them in by shooting off sandbags? Are you resting your forearms on the sandbag or the dust cover (portion of the frame past the trigger guard) on the sandbag?

Of you just shoot off hand and adjust windage and elevation based on your groups on target?

 

[drobs]

I just bought and installed an HS507KX2 on a 9mm S & W. I am having trouble with the sight picture. I searched youtube for the proper sight picture and even Googled it. I found nothing useful, so here I am.

I went to the range, placed the firearm on a rest and started testing. With the red dot squarely in the middle of the rectangular glass screen I shot about 6 inches low at 15 yards. To get it to hit the bull I had to drop the red dot to sitting at the bottom of the glass. I saw the red dot sitting on top of the front sight at the bottom center of the glass. Then I was on target. I was tempted to just raise the clicks to get the dot to center on the display but figured I better check first.

Suggestions?

I had a cheap Primary Arms MD-ADS red dot on rifle that was giving me similar problems. Seemed like the dot was moving all over the screen.

I recently sighted in an Aimpoint Carbine Optic on my AR pistol from sandbags. Using the method chicharrones mentioned - keeping the dot centered on the bullseye at 25yds. I shot my 1st 3 shot group. Only 1 shot hit the bottom left of the target. Thankfully that 1 shot hit the target, otherwise I would've needed to staple up a lot more targets.

Shooting 3 shot groups, I then used full 180 degree turns of the elevation knob to move my groups up on the target. Then continuing with 3 shot groups, I again used full 180 degree turns of the windage knob to move the group to the right on my target.

Once my group was just about on the bullseye, I switched to finer clicks for moving the group.

You might try turning down the power of the red dot.

 

[zdc1775]

Question - do you guys with RDS on your pistols sight them in by shooting off sandbags? Are you resting your forearms on the sandbag or the dust cover (portion of the frame past the trigger guard) on the sandbag?

Of you just shoot off hand and adjust windage and elevation based on your groups on target?

I just shoot it off hand at a know distance usually 10, 15, or 25 yards and adjust based off of where the rounds are hitting, at most I will rest my strong arm against a wall to help steady it a bit if I'm shooting at 25. I also don't do groups to sight in a handgun but single shots and adjust it between each until it is hitting where I want. Then I'll shoot a 5-10 round group to verify.

 

[zdc1775]

I just bought and installed an HS507KX2 on a 9mm S & W. I am having trouble with the sight picture. I searched youtube for the proper sight picture and even Googled it. I found nothing useful, so here I am.

I went to the range, placed the firearm on a rest and started testing. With the red dot squarely in the middle of the rectangular glass screen I shot about 6 inches low at 15 yards. To get it to hit the bull I had to drop the red dot to sitting at the bottom of the glass. I saw the red dot sitting on top of the front sight at the bottom center of the glass. Then I was on target. I was tempted to just raise the clicks to get the dot to center on the display but figured I better check first.

Suggestions?

Like others have said it really comes down to preference but I do prefer the dot and target centered in the glass even with my pistols.

One of the big issues I have seen with shooters who are used to iron sights switching to red dots on pistols is their head and shoulder position while firing. Most people tend to develop either a "shrug" to bring the irons up to eye level or lower their head to the sights. With the red dot I've found it is best to keep your head straight and your shoulders down in their natural position when aiming.

 

[chicharrones]

Question - do you guys with RDS on your pistols sight them in by shooting off sandbags? Are you resting your forearms on the sandbag or the dust cover (portion of the frame past the trigger guard) on the sandbag?

Of you just shoot off hand and adjust windage and elevation based on your groups on target?

On revolvers, I've only used tube type dots and have rested the revolvers on bags, sticks, or standing on my hind legs.

On autoloaders, I've only used micro reflex dots and never thought to rest the guns for sight in.

I tend to focus more on precision with the revolvers, whether that's justified of not.