How Accurate is Your Red Dot Scope?

Tudenom

Tudenom

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Hey guys

I just came back from a disappointing range trip, but maybe my expectations for the Red Dot I've got mounted are too high?

I mounted a Bushnell TRS 25 on my Marlin 95 CB and shot groups that were are consistent 4" to 6" at 100m from a sandbag rest. This rifle with the same load and a standard 4 power scope can shoot 2 5/8". I'm pretty sure I can consistently shoot sub 3" with it (the load is a plinking load using 350 grain cast bullets and 2400 powder, 45-70). The scope mount base is the same one I shot the 2 5/8" group with.

My sight picture at 100m is really good, the 2-3 MOA dot fits really well on a 8" ball at 100m. It's almost like looking at a target aperture sight, I can see the red dot and a thin black outline of the target. If I lose the outline on one edge I know I'm not aligned properly. I think my alignment is pretty decent.

Are my expectations for a red dot too high? What kind of performance are you getting?

I suppose it meets the requirements of the competition I plan to shoot this in, I only have to hit a 8" target at 100m to score a point. Speed is a factor however (hence the red dot).
 
If your hold, load, sight alighnment, and rifle are consistent... a red dot can provide decent groups.

I use a 2 moa dot and can group within 2" at 100 yards.
However, I must mention that the target is set up with the sight and has a 4 square incheck center that the dot nestles in.

I also lower the brightness to minimize the dot, as well as ensure the alighnent is perfect.

If my rifle ( marlin 30-30) and ammo (browning BXP) were precision I think I could do better. But not on account of the dot.

I should mention. I am using a sig romeo 4
 
You're obviously not seeing the sight picture as well as you think you are or you would be getting better groups. A 3 MOA dot superimposed on an 8 MOA target is not a recipe for accuracy, especially at 1x magnification.
 
2.5" plus 3" for dot size at 100m equals 5.5"... You could try a finer dot (better quality are true 1MOA). Another trick I've found is turn the dot down so it is barely visible. Slows me down just enough to make a difference at distance.
 
After having a look in my basement (much less light) I think I’m noticing a doubling of the dot. I almost see two dots side by side, kind of like a double wide dot, so I’m wondering if I have some slight astigmatism. The dot shape doesn’t change when I rotate the red dot, so it’s likely me.

I’ll have to go get it checked by an optometrist, it’s likely I need glasses (44 years old).
 
Tudenom said:
After having a look in my basement (much less light) I think I’m noticing a doubling of the dot. I almost see two dots side by side, kind of like a double wide dot, so I’m wondering if I have some slight astigmatism. The dot shape doesn’t change when I rotate the red dot, so it’s likely me.

I’ll have to go get it checked by an optometrist, it’s likely I need glasses (44 years old).
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The people who take their shooting with 1x optics seriously use prism scopes, like Vortex Spitfire. Also these are better for people with astigmatism as they have reticles same as other scopes, except the reticle is just a little 3MOA dot and it is fixed 1x.
 
Use the smallest dot possible, I have a TRS on a 1000 fps pellet rifle and have never ever seen a double dot in 15 yrs and it was also on my Nylon 66 for a while and is always on target but I am not shooting @ 100 yrd's either, maybe an eye exam is in order, Just my thought's.
 
Draw your own target with a marker, a large 4-6' inverted triangle and color it in bold. Makes it easier to center the large dot over the point.

Trying to shoot 2" fluorescent bullseye stickers with a 3 MOA dot is an exercise in futility.
 
DMS1 said:
Draw your own target with a marker, a large 4-6' inverted triangle and color it in bold. Makes it easier to center the large dot over the point.

Trying to shoot 2" fluorescent bullseye stickers with a 3 MOA dot is an exercise in futility.
Click to expand...

4-6 feet?!?! That's a big drawing.
 
I have bad astigmatism, red dots have always been a banana shape for me, of course now it's a blurry banana as I get older. I have 2 sparcs, and both of them I have to squint to clarify the reticle.
Prism red dots are a fairly cheap fix, although I admit I tend to use mine with the electronics off, so I'm just using an etched black dot most of the time.
I have one of the new Lil P optics from Bushnell, and so far, so good. Worth looking at (bad pun) at any rate, I got mine through Bullseye.

The only holographic that I found okay to look at was the new votex razor one. It doesn't distort to my eye, and once you get used to using the ring instead of the inner dot, you can place shots quite reliably. I'm not sure why it's so clear over say an eotech, but it is.
 
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