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Thread: Sighting 200 yards at 100 yards

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sheep Sighting 200 yards at 100... 28-09-2021, 05:05 PM
chainsaw for a 308 you want your POI... 28-09-2021, 05:09 PM
StrikerNZ For that lone shot away to... 28-09-2021, 05:26 PM
sheep The lone left shot was human... 28-09-2021, 06:23 PM
Micky Duck if squares are in inches...6... 28-09-2021, 05:30 PM
sheep The squares are in inches.... 28-09-2021, 06:28 PM
Micky Duck 3 clicks left,4 clicks up... 28-09-2021, 07:44 PM
scotty this was posted in another... 28-09-2021, 05:55 PM
sheep 180019 180020 The Sako... 28-09-2021, 06:36 PM
flock That s telling you 5 clicks... 28-09-2021, 08:02 PM
flock That s telling you 5 clicks... 28-09-2021, 08:03 PM
Cigar That screenshot says Impact... 28-09-2021, 08:12 PM
grandpamac Greetings sheep, To me the... 28-09-2021, 06:33 PM
sheep Thanks for the advise. Will... 28-09-2021, 06:41 PM
ebf Hey sheep My "walking... 28-09-2021, 06:46 PM
223nut Is that speed chronographed?... 28-09-2021, 07:16 PM
Micky Duck I posted that rule of... 28-09-2021, 07:50 PM
The bomb 50m zero generally on again @... 28-09-2021, 08:03 PM
scotty i couldnt remember who posted... 28-09-2021, 08:14 PM
sheep That speed is from Sako... 28-09-2021, 08:41 PM
223nut If you get the chance run it... 28-09-2021, 09:12 PM
flock The speeds they put on the... 28-09-2021, 09:54 PM
sheep Will do it at some stage 29-09-2021, 08:58 AM
veitnamcam That app is confusing stating... 28-09-2021, 08:03 PM
Micky Duck did you manage to get... 28-09-2021, 08:47 PM
sheep Not yet. Plan to do it after... 29-09-2021, 08:57 AM
Ranger 888 I tend to ignore the charts... 28-09-2021, 10:07 PM
flock Here's me shooting an 100m... 28-09-2021, 10:11 PM
sheep Nice group at 200 yd. Will... 29-09-2021, 09:04 AM
Carbine yards or meters , inch's or... 09-10-2021, 08:41 PM
Backcountry Bob I admire those people who... 12-10-2021, 08:07 PM
Marty Henry I know someone with a 308 who... 13-10-2021, 08:00 AM
sheep My new scopes are mrad but... 12-10-2021, 09:35 PM
andyanimal31 Don't fuck around with... 12-10-2021, 11:00 PM
sheep Noted, thanks. Yes,... 13-10-2021, 10:04 AM
Micky Duck what info do you want???? 12-10-2021, 08:09 PM
Backcountry Bob I don't particularly want any... 12-10-2021, 08:52 PM
Woody That rule depends on sight... 13-10-2021, 08:43 AM
Micky Duck the rule of three has been... 13-10-2021, 11:33 AM
300_BLK Not based on what you have... 13-10-2021, 09:06 AM
sheep Yes, it was center of the... 13-10-2021, 10:10 AM
300_BLK sheep fair enough mate. Wind... 13-10-2021, 11:12 AM
sheep 181110 Finally sighted in... 14-10-2021, 03:34 PM
300_BLK Yeah mate Mean Point of... 14-10-2021, 08:17 PM
sheep Thanks mate 14-10-2021, 09:08 PM
  1. #1
    Member sheep's Avatar
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    Sighting 200 yards at 100 yards

    Name:  20210928_150422.jpg
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    Need advise on novice question.

    Wanted to zero my new scope at 200 yards for my 308 Tikka T3x but unable to do so. According to Sako Ballistics App, the POI is 2cm up at 100 yards if the zero is 200 yards. As such, I dialed the scope 2cm below POI at 100 yards. I was using Sako Gamehead 150g. (Photo: 5 shot group, 1cm square target)

    Am I doing it right?

  2. #2
    Member chainsaw's Avatar
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    for a 308 you want your POI be about 2in high at 100yrds to give a 200 yd zero.
    veitnamcam, Carbine, 6x47 and 6 others like this.

  3. #3
    Rabbit Herder StrikerNZ's Avatar
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    For that lone shot away to the left, if that was the very first shot, or it didn’t feel right in some way, flinch etc, I’d tend to call it a ‘flyer’ and ignore it from the group for zeroing purposes.

    When you say you dialled your scope 2cm below POI, what was your process here?

    Generally when adjusting the scope, you are shifting the POI around relative to the crosshair, rather than the other way around.

    Was this the group you shot after all your adjustments?
    veitnamcam, rugerman and sheep like this.

  4. #4
    Member sheep's Avatar
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    Quote Originally Posted by StrikerNZ View Post
    For that lone shot away to the left, if that was the very first shot, or it didn’t feel right in some way, flinch etc, I’d tend to call it a ‘flyer’ and ignore it from the group for zeroing purposes.

    When you say you dialled your scope 2cm below POI, what was your process here?

    Generally when adjusting the scope, you are shifting the POI around relative to the crosshair, rather than the other way around.

    Was this the group you shot after all your adjustments?
    The lone left shot was human error, my fault.

    This group is after adjustment. Did not adjust windage because the wind is pretty strong and erratic.

    I aimed the scope at the centre of the target, and dialed the elevation to achieve POI 2cm above at 100 yd.

  5. #5
    Member Micky Duck's Avatar
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    if squares are in inches...6 clicks left and good to go.......if in cm....ummmmm 2 clicks left and 4 clicks up...should be close.
    sheep likes this.

  6. #6
    Member sheep's Avatar
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    Quote Originally Posted by Micky Duck View Post
    if squares are in inches...6 clicks left and good to go.......if in cm....ummmmm 2 clicks left and 4 clicks up...should be close.
    The squares are in inches. One square = 1/2 inch.

  7. #7
    Member Micky Duck's Avatar
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    Quote Originally Posted by sheep View Post
    The squares are in inches. One square = 1/2 inch.
    3 clicks left,4 clicks up assuming target was shot at hundy.
    sheep likes this.

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    Member scotty's Avatar
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    this was posted in another thread a while ago ....
    Name:  rule of 3.JPG
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Size:  2.79 MB

  9. #9
    Member sheep's Avatar
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    Name:  Screenshot_20210928-183120_Sako Ballistics.jpg
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    Name:  Screenshot_20210928-183026_Sako Ballistics.jpg
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    The Sako Ballistics App indicated POI 2cm up at 100 yds. Should I adjust base on 2 inches instead?

  10. #10
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    Quote Originally Posted by sheep View Post
    Attachment 180019

    Attachment 180020

    The Sako Ballistics App indicated POI 2cm up at 100 yds. Should I adjust base on 2 inches instead?
    That s telling you 5 clicks down, 5 clicks in Mrad which is 50mm or basically without splitting hairs is 2inches.
    sheep likes this.

  11. #11
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    Quote Originally Posted by sheep View Post
    Attachment 180019

    Attachment 180020

    The Sako Ballistics App indicated POI 2cm up at 100 yds. Should I adjust base on 2 inches instead?
    That s telling you 5 clicks down, 5 clicks in Mrad which is 50mm or basically without splitting hairs is 2inches.
    sheep likes this.

  12. #12
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    Quote Originally Posted by sheep View Post
    Attachment 180019


    The Sako Ballistics App indicated POI 2cm up at 100 yds. Should I adjust base on 2 inches instead?
    That screenshot says Impact Point (in), then up 2cm, so could be inches rather than cm
    rugerman and sheep like this.

  13. #13
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    Greetings @sheep,
    To me the best way to sight in at 200 yards (or 200 metres in my case) is to put the target at 200 yards. Otherwise you will only be guessing. If you expect to shoot at longer distances you need to check your Point of Impact out there as well. Most of us that have been around for a bit have seen some young hunter carefully zero a bit high at 100 yards and later hear tales of woe after an attempted long range shot, There is no substitute for validating your trajectory at longer range by actual shooting. You have plenty of ranges close to you.
    All the best Grandpamac.

  14. #14
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    Quote Originally Posted by grandpamac View Post
    Greetings @sheep,
    To me the best way to sight in at 200 yards (or 200 metres in my case) is to put the target at 200 yards. Otherwise you will only be guessing. If you expect to shoot at longer distances you need to check your Point of Impact out there as well. Most of us that have been around for a bit have seen some young hunter carefully zero a bit high at 100 yards and later hear tales of woe after an attempted long range shot, There is no substitute for validating your trajectory at longer range by actual shooting. You have plenty of ranges close to you.
    All the best Grandpamac.
    Thanks for the advise. Will do

  15. #15
    ebf
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    Hey @sheep

    My "walking 200yd" zero for most medium calibers is 2 inches high at 100.

    With that you should be very close to dead on at 50, 2 inches high at 100, close again at 200, and for the odd 300yd shot, aim about halfway from the shoulder crease to the top of the deer's back (roughly 4 inches low impact if you aim dead on).

    Easy peasy
    Viva la Howa ! R.I.P. Toby | Black rifles matter... | #illegitimate_ute

 

 

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