Dead on at 100yds 4inches right at 400yds

richhymas

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Joined
Mar 3, 2012
Messages
66
No I don’t . How much will wind effect the poi at 400yds
I shoot the same bullet and similar velocity. For me the magic wind is 0.1 MOA for every 3 MPH wind per 100 yards, so a 3 MPH wind at 400 yards is 0.4 MOA. This rule holds quite well out to 700 yards and is super handy in the field.
 

Stevenstl86

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Joined
Jun 30, 2019
Messages
117
Location
Missouri
Something must of come loose. There is no way it would shift that much at 400. Do you have some hand loads that shifted you can pull down to verify powder charge. Just a though
 

TheLongRanger83702

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Joined
Feb 20, 2015
Messages
106
Location
Idaho
Got my gun shooting dead on at 100yds went to 400yds it shoots 4 inches to the right. My scope is level [checked it twice] what could be causing this.
Your reticle isn't plumb with your scope's body. If your using your scope caps surface to rest your level on and it isnt square with the scopes internals it will be off when you go out shooting at longer distsnces using your elevation adjustment. Sounds like the scopes internals are tilting slightly in the clockwise direction. Square your reticle to your bore using a plumbline instead of a bubble level.
 
Last edited:

sevans1965

New Member
Joined
Sep 16, 2019
Messages
4
Location
Minnesota
Always hard to diagnose problems from behind a keyboard, especially when is sounds like the basics are covered. I am a fan of shooting video of myself shooting, especially looking at the trigger finger, shooting position, are you lifting your head after the shot, etc, etc.
Most of us don't shoot enough to develop good muscle memory, so insuring one is practicing good fundamentals should be evaluated often.
 

Jeremy338

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Joined
Aug 19, 2017
Messages
287
I used to own a 338 lapua that did the same thing. 4” at 400. It would compound to 10” at 1k. I shot the gun so much I chalked it up to spin drift.
 

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