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T. O'Heir · December 18, 2017, 12:18 PM

"...shooting downhill..." That'd the issue. Up or down hill changes the POI.
"...At 300 it's about 3.5 low..." Winchester Factory 150's, when sighted in 1.4" high at 100, should be 6.6" low at 300. According to them.
"...= C squared works..." For a right angled triangle only. The "Ballistic Coefficient" has nothing to do with it.

December 18, 2017, 12:18 PM	#8
T. O'Heir Senior Member Join Date: February 13, 2002 Location: Canada Posts: 12,453	"...shooting downhill..." That'd the issue. Up or down hill changes the POI. "...At 300 it's about 3.5 low..." Winchester Factory 150's, when sighted in 1.4" high at 100, should be 6.6" low at 300. According to them. "...= C squared works..." For a right angled triangle only. The "Ballistic Coefficient" has nothing to do with it. __________________ Spelling and grammar count!