Help with MOA and bullet drop

[Encore4me]

1” at 100 yards is 1 MOA right? Let’s say my rifle drops 4” at 400 yards. If I move my turret 4 MOA will that make my bullet hit on at that 400 yards?


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[mxgsfmdpx]

Troll or are you asking a serious question? BTW. 1 MOA at 100 yards is not 1”.

 

[Encore4me]

Troll or are you asking a serious question? BTW. 1 MOA at 100 yards is not 1”.

No I’m not a troll! Thanks. I have always hunted in Ohio, all shots have been less than 100 yards. Im just learning about shooting longer distances. You know your reply was rude, I would never say something like that to a person trying to learn something.


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[axeforce6]

It’s a shade over 1” but let’s call it 1” equals 1 MOA at 100 yards. So 1 MOA at 400 is 4”. If your bullet drops 4” at 400 yards you’d dial up 1moa.

 

[Encore4me]

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[Lee_R]

As @axeforce6 said, it's a bit over...1.047 inches at 100 yds to be exact.

What is Minute of Angle?

Minute of Angle (MOA) is an angular measurement, used often in long range shooting, that is 1/60th of one degree of a circle.

www.nssf.org

For all intents and purposes, 1 moa is 1 inch at 100 yds, 2 inches at 200 yds, or to your question, 4 inches at 400 yds.

 

[jimh406]

This is a pretty good explanation.

What is MOA? Understanding and using Minute of Angle

Minute of Angle is extremely important for Long Range Shooting. Learn about MOA with this easy to understand guide.

gununiversity.com

 

[np307]

It's an angular measurement. Reach way back in your memory to high school math class. A triangle with dimensions 3, 4, and 5 for the sides has the same angle measurements as a triangle with 9, 12, and 15.

A minute of angle is your defined angular measurement. So the vertical distance it corresponds to matches the horizontal distance you care about.

 

[Encore4me]

This is a pretty good explanation.

What is MOA? Understanding and using Minute of Angle

Minute of Angle is extremely important for Long Range Shooting. Learn about MOA with this easy to understand guide.

gununiversity.com

Thanks! That’s along the lines of what I was thinking. That first guy that responded really made me mad making me feel foolish. So everyone who responded after him basically said 1” at 100 yards is 1 mil (roughly). I’m just trying to learn. I had planned on just noting what my turret was at for a certain yardage but wanted to understand it better. If I’m not mistaken this would actually be a little more accurate. Shooting at 100 yard increments.
Zero at 100 yards
? Mil at 200 yards
? Mil at 300 yards and so forth.


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[D_Dubya]

Thanks! That’s along the lines of what I was thinking. That first guy that responded really made me mad making me feel foolish. So everyone who responded after him basically said 1” at 100 yards is 1 mil (roughly). I’m just trying to learn. I had planned on just noting what my turret was at for a certain yardage but wanted to understand it better. If I’m not mistaken this would actually be a little more accurate. Shooting at 100 yard increments.
Zero at 100 yards
? Mil at 200 yards
? Mil at 300 yards and so forth.


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Whoa now…Mil and MOA are very different measures, one MOA at 100 yards is approx 1”, (1.047” to be exact) 1 mil is 3.6” at 100 yards. Different ways of measuring the same thing. And both are linear measurements so at 1000 yards 1 MOA is 10.47” and one Mil is 36”

 

[Reburn]

No I’m not a troll! Thanks. I have always hunted in Ohio, all shots have been less than 100 yards. Im just learning about shooting longer distances. You know your reply was rude, I would never say something like that to a person trying to learn something.


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Chill bro.

To be fair we get trolled alot. A ton of guys asking complicated questions about ballistics wanting simple answers.

And

To be fair while you can google you havent displayed that you have a firm grasp on an angular measurement yet.
If a moa is 1.047" at 100, at 400 it would be 1.047"x4 = 4.188" It increases over distance.

So

To answer your question.
Get a ballistic computer on your phone. Shooter or applied ballistics or hornady 4dof are all fine.
Load your gun. play with it. read on hear a TON and then ask questions to fill in the gaps.

 

[Encore4me]

Whoa now…Mil and MOA are very different measures, one MOA at 100 yards is approx 1”, (1.047” to be exact) 1 mil is 3.6” at 100 yards. Different ways of measuring the same thing. And both are linear measurements so at 1000 yards 1 MOA is 10.47” and one Mil is 36”

I’m so I didn’t mean MIL, I meant MOA. I don’t know why I typed that. I realize they are different types of measurements.


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[Rich M]

Yup - don't take stuff personal on here. Ask the question and sort thru the answers to make sure no-one is bs-ing either. We get a lot of questions asked by folks to be funny - nothing personal.

your question is answered - 1 moa at 400 = 4 inches.

if you are using a 1/4 inch at 100 per click scope.
1/2 inch per click at 200
1 inch per click at 400. 4 inches = 4 clicks.

 

[Maverick1]

1” at 100 yards is 1 MOA right? Let’s say my rifle drops 4” at 400 yards. If I move my turret 4 MOA will that make my bullet hit on at that 400 yards?


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It is 1.047” at 100 yards.
2.09” at 200.
3.14 at 300
4.19 at 400
8.38 at 800

 

[Maverick1]

 

[Maverick1]

@Encore4me
Use rangefinder for distance.
Know bullet drop in inches at said distance.
Dial appropriate number of clicks.

 

[SDHNTR]

Most of these posts are madness! Stop thinking in terms of moa=inches. Remove inches from the equation altogether and learn to think only in moa. A good ballistics app on your phone will help, with a corresponding dope chart taped to your stock.

Zero at 100 yards. With a 10 shot group centered on the bullseye.

Range your target, consult your dope for the proper moa correction and dial accordingly. At no point do you need to equate moa to inches. It just complicates things unnecessarily.

 

[Macintosh]

.047" is between 1/20th and 1/25th of an inch at 100 yards. That is a maximum of .2"--less than 1/4"--at 400 yards, which is still less than the bullet diameter. it is inconsequential for 99.9% of applications so most people--quite rightly in my estimation--ignore the .047' beyond 1inch per moa. in any case, the advice above to stop thinking in inches is spot-on--it's irrelevant how many inches it is.


It must be the end of hunting season, wait'll february rolls around.

 

[SDHNTR]

@Encore4me
Use rangefinder for distance.
Know bullet drop in inches at said distance.
Dial appropriate number of clicks.

No!

Sentence #2. Should read: know your bullet drop in moa at said distance.

Your dial is in moa, not inches. Know your drop in moa and there’s no translating.

 

[bmart2622]

Its close enough most cant shoot well enough to tell the difference and even if you could the miniscule amount wouldn't make or break you. Not to mention even when you dial in MOA your scope only adjusts in .250 increments anyway so most of the time you dialing in a small degree of error