What yardage do u set your zero at w/ red dot?

Zeroing at 25 yards sucks with your range limit... But unless you never plan on firing the weapon at distance, only plan on using it at that range, or for some reason are going out to "clear a house" in CQB with a .22, I would try to find an outdoor range to zero it in properly. But we do what we can with what we've got right?

Just for reference...

Zero your iron sights first (iron and red dots are okay at 50, but I would still recommend 100 if possible). Then you've got a reference. Then worry about a red dot. Red dots are not a long range optic in the first place.

Long range optics should never be zero'd in closer than 100 yards. It just requires a lot more calculation for the longer shots.

There are mathematical calculations to zero for 100 yards at a 50 yard distance... But you'd need an optic that would allot for the calculation. Definitely not a tactical optic.

Good thing "cold bore" doesn't really come into play with a 15-22. Every shot is cold bore!!!

Sorry... I ramble sometimes. Long story long... If you're talking a platform like the 15-22... It honestly doesn't matter because all you're honestly going to aim and attempt to hit are range targets. You're accuracy is only measured at the distance of the range allotment... So any distance to the max of the range you're at will be effective against the evil paper.


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pgamboa said:
25 yards. That's the max at my range.
Click to expand...
And with 22LR that's pretty reasonable.

My dot is 2.7" above bore center. A 25yd zero with the usual high velocity ammo is .9" high at 50yds, .1" high at 75 yds, 3.2" low at 100 yds.

There's nothing wrong with a red dot at those distances.

There's a very usefull calculator here: Ballistics Calculator - Hornady Manufacturing, Inc
 
I meant that the range I go to has 25 yard max Lane. I would have love to have tried it at further distances. But since my boys (13, 9, 8) frequently play battleship using the red dot, I have to zero it back to 7 yards when we play :)


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tomcatt51 said:
And with 22LR that's pretty reasonable.



My dot is 2.7" above bore center. A 25yd zero with the usual high velocity ammo is .9" high at 50yds, .1" high at 75 yds, 3.2" low at 100 yds.



There's nothing wrong with a red dot at those distances.



There's a very usefull calculator here: Ballistics Calculator - Hornady Manufacturing, Inc
Click to expand...


Oh yeah, I'm not that advanced yet for a calculator :). But it will be saved for when I become an advanced shooter.


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pgamboa said:
But since my boys (13, 9, 8) frequently play battleship using the red dot, I have to zero it back to 7 yards when we play
Click to expand...
Then by all means sight for the distance you're shooting at. It absolutely makes sense. If I shoot bowling pins I'm sighted for 25 ft. For the winter indoor steel matches it's 11 or 12 yds. But for plinking from 10 to 100 yds a 25 yd zero (with a dot 2.7" above bore center) works pretty well.
 
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25 metres max at my indoor range, so that's what my 15-22 Eotech is zeroed at. Slight holdovers at 15m and 10m as those are the distances we progress downrange to in multi-stage comps.




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Zero your iron sights at 25 yrds, then adjust your red dot to set on the front sight post. So it looks like a lollipop.



Trust me it works, shooting steel at 200 yrds, and was right where i needed to be at 100yrds. Had two Special Forces guys I train with show me this.
 
springfield.45 said:
Zero your iron sights at 25 yrds, then adjust your red dot to set on the front sight post. So it looks like a lollipop.

Trust me it works, shooting steel at 200 yrds, and was right where i needed to be at 100yrds. Had two Special Forces guys I train with show me this.
Click to expand...
22LR is far different from a .223. Zero your 15-22 for 100 yds and you'll be just shy of 3 ft low at 200 yds.
 
Re: OP. Zero initially at 25 yds. Once your POI consistently is your POA at 25 yds., then check to see where POI is at 50... 75... and 100 yds. If you set your POI about one inch above your POA at 25 yds., you will have a very useful zero that will allow you to hit with very little hold over at 100 yds.
 
brucev said:
If you set your POI about one inch above your POA at 25 yds., you will have a very useful zero that will allow you to hit with very little hold over at 100 yds.
Click to expand...
This is very dependent on how high your sight center is above the bore center. That's where the calculator is a big help.

How small a 5 shot group can you shoot at 25 yds? It has to be pretty small to meaningfully figure where your POI actually is.
 
Depends on the dot. I have a low budget 5 M.O.A. red dot so going beyond 50 yards is going to give a larger spread. At 75+ yards all rounds hit within an 8" circle anything closer makes me feel Jerry. ;)
 
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