Sendero sf2 in 25-06, elevation at distance has me stumped

josh0619

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Joined
Jan 24, 2022
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101
Location
Bagley Mn
Remington 700 sf2 in 25-06, just got around to shooting it a little bit.
Found a good velocity node with the 115 Berger at 3116fps ave. Once fired nosler 270 win brass trimmed, annealed, sized.
Nightforce shv 5-20x56 in Talley 20moa rings.
Took it to the range which consists of targets at 1,3 and 600 yds.
Started at 300, consistently shoots 1moa low at 300, dial up 1moa and it shoots great. I'm thinking my zero has somehow shifted so I go to 600 and make sure my environmentals are good in the hornady 4dof app. I add 1 moa ^ to my 600 yd dope, fire 3 shots all three stack 1 moa high. Move down 1moa, right on. Go to the 100 yd paper target and shoot a 1/2" group that is right on. Anyone ever ran into this?
Sight height and barrel twitst have been checked multiple times.
115 Berger vld hunting @3116
Dope at 300 2.94. Confirmed @ 4moa
600 10.46. Confirmed @ 10.5
 
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