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Old 10-14-2019, 12:05 AM
michaeljp65

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how much elevation do i need?



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i have my CZ zeroed in at 50 yds for our local IRB matches. Id like to compete in a 200yd fly match. Using standard velocity ammo, how much elevation,MOA, would i need in my scope to zero in at 200yds from 50yds?
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Old 10-14-2019, 12:32 AM
janleroux

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Originally Posted by michaeljp65 View Post
i have my CZ zeroed in at 50 yds for our local IRB matches. Id like to compete in a 200yd fly match. Using standard velocity ammo, how much elevation,MOA, would i need in my scope to zero in at 200yds from 50yds?


It depends on the actual velocity you will get out of the ammo you shoot. Here is what I get in my JW-15 (speed used was measured over a crony - CCI Std vel 40gr):



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Old 10-14-2019, 02:57 AM
michaeljp65

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Thanks for your reply Janleroux, i can only go by whats written on the eley match ammo box 1085fps. The scope im using has 60 moa of travel. Im wondering if thats enough or if i need to change it to another i have with 100 moa but it has less magnification.
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Old 10-14-2019, 03:12 AM
janleroux

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how much elevation do i need?

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Originally Posted by michaeljp65 View Post
Thanks for your reply Janleroux, i can only go by whats written on the eley match ammo box 1085fps. The scope im using has 60 moa of travel. Im wondering if thats enough or if i need to change it to another i have with 100 moa but it has less magnification.


Hi Michael,

In my .22 the average muzzle velocity is 1065, so it is not far off what is stated on the box. You should be able to hit the target when dialling your scope up 24 MOA, so you will have ample travel available. According to my calculation you should reach 325ft (give or take a few feet) with that scope you have. Would be interesting to hear once you put it through its paces.

My scope goes up to 18x but I use 15-16x most of the time.

A good exercise to do is to buy packets of different brands of .22LR ammo. You rifle will like some more than others. In mine Aguila’s and CCI std vel (both 40gr). I shot a number of different ones over the crony and these two had the lowest SD’s so the performance between consecutive shots are almost the same each time. This makes a big difference when you go for the longer ranges.

Some more of my test results:



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Last edited by janleroux; 10-14-2019 at 03:14 AM.
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Old 10-14-2019, 05:56 AM
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Danv
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I asked the same thing a while back. Shot at a large sheet of cardboard. Ruger 10/22, 18 inch barrel sited in for 50 yds, Center X , 50 inch drop. CZ 22.5 inch barrel, sited in for 25 yds, SK standard, 56 inch drop. https://www.rimfirecentral.com/forum...d.php?t=708353

Last edited by Danv; 10-14-2019 at 06:09 AM.
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Old 10-14-2019, 09:34 AM
lapuafan

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Originally Posted by michaeljp65 View Post
i have my CZ zeroed in at 50 yds for our local IRB matches. Id like to compete in a 200yd fly match. Using standard velocity ammo, how much elevation,MOA, would i need in my scope to zero in at 200yds from 50yds?
Well alot comes into play, velocity, elevation, temp

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Old 10-14-2019, 11:30 PM
SavagePlinker

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Quote:
Originally Posted by michaeljp65 View Post
i have my CZ zeroed in at 50 yds for our local IRB matches. Id like to compete in a 200yd fly match. Using standard velocity ammo, how much elevation,MOA, would i need in my scope to zero in at 200yds from 50yds?
To go from 50 to 200 yds will require about 28 MoA. Your scope with 60 MoA will therefore have plenty of available adjustment . . . IF . . . you position it properly.

Meaning, use a sloped base and/or Burris Signature rings to position it so that when it is sighted in at 50 yards it is only a few MoA above rock-bottom. If it is cranked up 10 MoA when you are sighted in at 50 yds you will have 50 MoA left and available for dialing up.

I would get a 20 MoA base and the Burris rings.
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Old 10-15-2019, 08:42 AM
michaeljp65

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Thanks for your replies gents. I have another scope with 100moa if i need it. Just have to wait for a calm day to head to the range and sight it in. Thanks for all the replies.
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