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Target scopes...How do I???

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Unread 02-24-2005, 11:45 AM
Silver Member
Join Date: Dec 2004
Posts: 166
Re: Target scopes...How do I???

fowlguy, welocome to LRH, in case you may not have understood the whole MOA - Turret - Inch thing here is a copy of a post I had done for another fellow to help him try to understand it all. hope It can be of help to you as well.

Think of it this way. (if your scope clicks = 1/4 moa " minutes of angle" per click)
at 100 yds 1 click = 1/4" and 2 clicks = 1/2".
at 200 yds that same 1 click now equals 1/2" and the 2 clicks = 1"
at 300 yds that same 1 click now equals 3/4" and the 2 clicks = 1 1/2"
at 400 yds that same 1 click now equals 1" and the 2 clicks = 2"
and so on.

As another member pionted out your scope may only need to be ajusted lets say 4 clicks at 250 yards but your buddys may only need to be adjusted 2 clicks for the same distance. Each click is spaced the same its just your bullet drops faster than your buddys so you need more clicks to rise where the bullet will impact.

also different scopes have different values some may have 1/4 moa as listed but others may have 1/8 or 1/2 or even 1 moa per click.

and just remember 4 clicks of 1/4 = 1 MOA not 1" (except for at 100 yds)4 clicks = 1 MOA and 1" in this example at 100 yds

on some of the better scopes (most tactical models) the turrets will be marked a little better than others. for example some of them will have big slash followed by 3 little marks and a big slash (labeled 1) then 3 little ones and a big slash (labeled 2) and so on. the big slash = 1 MOA and each of the little marks =1/4 MOA then all you have to do is go to the range sight in and set turret to zero. then if you have made a range card that tells you how much your bullet will drop in MOA (Minute of Angle) all you have to do is dial it in.

Something like this around turret:

0 1 2 3 4 5 6 7 8 9
the spacing is not correct but you get the idea(i hope)

Example: (and i do mean example) 308 win 165 grain bullet you zero at 100yds. your range card says your bullet will drop
2.0" at 200 yds = 1MOA or 2"......turn turret to #1 take shot
4.9" at 300 yds = 1.5MOA or 4.5"......turn turret to #1 plus 2 little marks take shot
8.3" at 400 yds = 2MOA or 8"......turn turret to #2 take shot
12.2" at 500 yds = 2.5MOA or 12.5"......turn turret to #2 plus 2 little marks take shot
16.6" at 600 yds = 2.75MOA or 16.5"......turn turret to #2 plus 3 little marks take shot

.25 moa = 1 little mark,
.5 moa = 2 little marks,
.75 moa = 3 little marks

so all you have to do is now dial your turret to the # 2 plus two small marks at 500 yds. 2 plus two small marks = 2.5MOA at 500yds or in other words 12.5". Your range card said your bullet would drop 12.2" so as you can see with 2.5 MOA which equals 12.5" your only shooting about a 1/4" high based on this example.This will put you dead on the target with no hold over.

as you can see there is no real counting this way which allows you to get on target much faster than counting out the same 10 clicks if you were to count clicks on standered type scopes (those without turrets). But if you use a scope that does not use this type of turret marking, counting may be needed, but not fun.

also if you get some of the target models they too sometimes have their turrets marked in the same manner.

Hope this helps.
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Unread 02-24-2005, 08:00 PM
Platinum Member
Join Date: Jan 2003
Location: The rifle range, or archery range or behind the computer in Alaska
Posts: 3,830
Re: Target scopes...How do I???

A simple way is like this"

Bullet drop at range (Inches) divided by inches per click multiplied by range divided by 100.

IE. 60" of drop / (.26175 * 600 / 100)= 38 clicks.

.26175 * 600/100 = 1.5705 At 600 yards 1 clcik = 1.5705 Now divide 60" of drop by 1.5705.

This works for a scope with .25 MOA adjustments which works out to .26175" per click at 100 yards. At 1000 yards its 2.6175" per click.

To figure from MOA clicks to inches per click multiply MOA by 1.047 .25 MOA * 1.047 = .26175"
Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.
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Unread 03-05-2005, 11:07 AM
Gold Member
Join Date: Dec 2002
Location: mathias wv
Posts: 987
Re: Target scopes...How do I???

Just remember MOA: a unit of angular measurement which is 1/60th of 1 degree actually equals 1.047" per 100 yds.
100 yds. 1.047"
200 yds. 2.094"
250 yds. 2.6175"
300 yds. 3.141"
1000 yds. 10.47"
Born to Hunt, Forced to Work!
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