Its about how you hold your mouth...

Everyone's comments so far are correct and in the right context.

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Originally Posted by Tahr

Thanks for this. Its a consistent shift. It has always been either spot on, or higher to the right as in the pics and it has always baffled me. Im glad I’ve got to the bottom of it, and thanks for your help.

My field shooting is ok. The last 21 deer for 19 shots, but mostly Im either free hand, or free recoil over my pack. In any event, the actual shift in impact here probably doesn’t count for stuff all in the full context of hunting conditions. But I just like things to be right.

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I reckon I shoot a very similar style to you whether I am shooting paper or animals and have a rest. It may be the most fickle and easily influenced way of shooting, but I seem to get consistent results as well.
If I inadvertently load anything up, I have issues.

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Originally Posted by Neckshot

you've changed:D

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Nah. But have had the 300mag for a few years and use it this time of the year when the deer are out scoffing and there is the odd longer shot. Kawekas in 3 weeks time and I intend to take it so was doing a bit of a sight in.

But I really favour the lighter calibres and use the 223 or 243 the most.

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Originally Posted by 7mmwsm

21 deer for 19 shots. I'd be happy with that. I've done 20 deer for 19 shots but not 21.

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Whoops. 19 for 21. :)

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Originally Posted by Tahr

Yeah, its beaut. Thanks to you. 75.5grn R22, 3150 fps.
What do you think about the shift in impact. Is that your experience too?

Cheers

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Bloody hell, I didn't think a 300WM could get 180's going that fast, that's honking along!

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Originally Posted by Beetroot

Bloody hell, I didn't think a 300WM could get 180's going that fast, that's honking along!

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Got the load from the Nosler manual. It chronos at 3150 which is slightly faster than the velocity in the manual. And the trajectory confirms the chrono.
Brians 300 winmag is doing 3100 with IMR 4831 & 180 grn. So it doesn’t seem to be exceptional for the calibre.

Are you happy with the scope now? that group with that load and calibre is bloody good.

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Originally Posted by nor-west

Are you happy with the scope now? that group with that load and calibre is bloody good.

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'Scope's fine. It was how I was changing from free recoil to holding it down by the 'scope bell after the recoil began to bite me a bit.
Brian and I are wondering when you plan on delivering the gift...264WM? :)

Just re-doing the stock:thumbsup:

When you pushed down on the rifle you essentially made the rest 'harder' and the rifle recoiled away from it, hence the higher to the right POI.
My advice? Stop doing it.