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The Shadow (Moderator)
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A really quick and easy way to see if the "usual" failure is at play.
Put the gun in something stable(rest) and aim at a target with grids(like 1" X 1"). Then adjust the magnification up and down, back and forth. Watch to see if the POA changes with mag.

Per current Hodgdon data, your load is a full grain over max. If the powder is old and thus a quicker burning rate, that could be a REAL hot overload. FYI

Cheers
 

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The Shadow (Moderator)
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9,396 Posts
Can't remember where I got the loading data but 39 gr was listed as max
Which shows you how large normal lot variations are, and why this isn't a cut and paste affair. 😉

Remember pressure vessels(which a gun is) exponentially lose lifespan, when you begin over pressuring them. That rifle is no spring chicken to begin with. I'd rather read reports of your latest Target outing, and not another report of someone who thought they did what they always did; and ended up sending the bolt back through their face.

Cheers
 
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