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distances with my scope

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Category: Scopes
Forum Name: Rifle Scopes
Forum Description: Centerfire long gun scopes
URL: http://www.opticstalk.com/forum_posts.asp?TID=41672
Printed Date: March/28/2024 at 10:52
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com


Topic: distances with my scope
Posted By: rightsa
Subject: distances with my scope
Date Posted: May/28/2015 at 04:11
hi everyone 

i have a scope model as follows:- 
leupold scope 66830 fx-3 12x40 fine duplex ret matte
my rifle is CZ550
i made the zero at distance 350 M 
if the target 300 M how many click needed to hit it ?

for every 50M how any click needed?
for every 100M how any click needed?
thank you very much 
waiting for your nice replay



Replies:
Posted By: Kickboxer
Date Posted: May/28/2015 at 04:36

In the U.S. internet etiquette, everything capitalized or bolded is generally the equivalent of "yelling"... no need to yell.

How are things in Saudi Arabia?

You left out a lot of critical information...  caliber, ammo you are using, target size, typical environmental conditions...

provide details on what it is you are shooting, what you are shooting at... you can possibly find help here.


Welcome to OT.



-------------
Opinion,untempered by fact,is ignorance.

There are some who do not fear death... for they are more afraid of not really living


Posted By: 8shots
Date Posted: May/28/2015 at 04:51
The most important data needed is bullet weight and bullet speed.


Posted By: Kickboxer
Date Posted: May/28/2015 at 04:59
8's, that generally comes with the ammo data...

-------------
Opinion,untempered by fact,is ignorance.

There are some who do not fear death... for they are more afraid of not really living


Posted By: 8shots
Date Posted: May/28/2015 at 05:16
Originally posted by Kickboxer Kickboxer wrote:

8's, that generally comes with the ammo data...
OK, but you still need the data. Wink


Posted By: Kickboxer
Date Posted: May/28/2015 at 07:51
Of course you do...

-------------
Opinion,untempered by fact,is ignorance.

There are some who do not fear death... for they are more afraid of not really living


Posted By: Son of Ed
Date Posted: May/28/2015 at 19:48

" Eduardo always makes his print bold because he like the way it looks rather than the spindly little skinny type..."     









" We now return to Normal Discussion...."  





  



-------------
Visit the Ed Show


Posted By: Son of Ed
Date Posted: May/28/2015 at 19:49










-------------
Visit the Ed Show


Posted By: 8shots
Date Posted: May/29/2015 at 00:41
My favourite poster....ask a question and never look at your post again....


Posted By: rightsa
Date Posted: May/31/2015 at 01:19
oh sorry for "yelling" by bold letters
sorry to be late to reply you
put on your mind i am not native english but try my best to be clear
about the target size we are looking for Procavia capensis very delicious :) it`s around 15 cm x 30cm long
ammo i will look for data needed ...
thank you for help 


Posted By: rightsa
Date Posted: May/31/2015 at 08:36
ammo with following details

         20
RDS 7.62X51 mm ball
     MOD 350
    lot FNM 90-6



Posted By: rightsa
Date Posted: May/31/2015 at 08:41
FNM 90 Portages made surplus 7.62x51mm NATO FMJ with a 147gr bullet.. Velocity is around 2800 fps and the ballistic coeffeciant of 0.393.


Posted By: 8shots
Date Posted: June/01/2015 at 06:21
I would go 6 clicks down and see what happens.


Posted By: rightsa
Date Posted: June/01/2015 at 09:07
Thank you for your nice replay 
I thought 8 clicks = 100m
Is there any mathematical calculation for this to increase the accuracy?


Posted By: 8shots
Date Posted: June/01/2015 at 09:29
rightsa,
Each rifle is shoots the same ammo differently due to many factors. In order to be very precise you need to shoot the bullet through a chronograph to get the exact speed of the bullet.
 
So assuming your data is correct and assuming your scope dials 1/4MOA per click (this you will have to check)
From 350 to 300 meters = 1.7MOA x 4 = 6.8 clicks.
To go to 250 meters = 3.2MOA x4 = 12,8 clicks
All will be down clicks as you are zeroed at 350m
 
To get to 100m = 6.1MOA x4 = 24.4 clicks.
 
And so on.
 
Mostly we zero at 100m and dial up. So to get from 100m zero to 350m would be 24.4 clicks up
 
 
 


Posted By: rightsa
Date Posted: June/02/2015 at 01:44
dear 8shots 
my scope is 1/8
but from where 1.7MOA ?



Posted By: 8shots
Date Posted: June/02/2015 at 05:28
OK, I did not research your scope, so you would have to dial as follows:
 
1.7 x 8 clicks = 13.6 clicks.
 
You stated that you have zeroed the rifle/scope at 350m. So you then wanted to know how many clicks to hit a 300m target. From 350m zero back to 300m is 1.7MOA
 
I assume you have actually fired at a 350m target and hit it???
 
So dial DOWN 13 or 14 clicks and you should be close to hitting your 300m target.


Posted By: rightsa
Date Posted: June/02/2015 at 05:35
Thank you very much 
appreciating your help



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