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ZeroPak DPT


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Type: Posts; User: chainsaw

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    Kestrel 5700 I think does have an option to input...

    Kestrel 5700 I think does have an option to input scope correction factor. But I’ve not played around with that feature as yet. Actually it’s pretty easy run the math in your head. 500 - 700 yards...
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    SAUM 162 ELDM RL26 scope DOPE update An update...

    SAUM 162 ELDM RL26 scope DOPE update
    An update on previous posts, chasing down a difference of +1moa at 625 yards. Ballistic solvers predicted a 10moa come up, compared to my dialed come up of 9moa...
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    Yep, checking (again) the zero is next on the...

    Yep, checking (again) the zero is next on the list. Should get that next weekend if weather plays ball.
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    It’s an accurate 625yd, measured with 2 different...

    It’s an accurate 625yd, measured with 2 different RFs and one i have used multiple times over the years. I range it every time & get the same distance. And never before with various different...
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    Thanks all for the comments and feedback. To pick...

    Thanks all for the comments and feedback. To pick up on a couple of points above :

    BC - i used 0.67 G1 as listed by Hornady. If anything manufacturers stated BCs tend to be “optimistic” and...
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    I want to understand “the why”. That’s the way my...

    I want to understand “the why”. That’s the way my brain works & as andyanimal31 says confidence in data is critical. Last thing you need is the double guessing yourself.

    If the dope came in low,...
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    Zeroing done at 100 yards, see other post below....

    Zeroing done at 100 yards, see other post below. I never use metres, all measurements are inches, yards, moa, etc.
    The 200 zero might be 205 or 195, but that makes naff all difference - maybe 0.1 or...
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    Yes, the Kestrel 5700 is a wonderful bit of kit....

    Yes, the Kestrel 5700 is a wonderful bit of kit. I don’t doubt it for a second, but also use the Hornady BC calculator as cross check when something like this happens.
    I do the scope zeroing at 100...
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    The “1.3in” above is the height of POI (centre of...

    The “1.3in” above is the height of POI (centre of grp) above POA at 100 yards. I checked this at the range a week ago. I agree it might not be exactly zero at 200, but it’s within a gnats whisker. ...
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    We are about 80m above sea level, pressure...

    We are about 80m above sea level, pressure according to weather maps past few days is 1015 - 1020 hPa. Can’t see that changing anything much. Also any air pressure factors should be covered with...
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    No, have to do that but I’ve never come across a...

    No, have to do that but I’ve never come across a VX6 that dials more than true moa. Let alone 10% more?!
    But it’s the only thing that seems to fit the observed facts.
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    Ballistic truing conundrum

    Been playing with loads for 284 & 7SAUM using RL26 with 162 ELDMs and 165 Norma BondStrike. Long story short ended up with some nice tight groups (0.5 - 0.6 moa) and velocities around 3000 fps. Both...
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