Here's a ladder I did yesterday with 7828ssc and 140gr Amaxes. Appears to be a definite lack of vertical from 46.2gr to 47.7gr. The grid is 1cm and the ladder was shot at 300 meters. Within the node, looks to me to be <1/2" of vertical. I'm going to load up some with 46.8gr for accuracy testing.

Warning! 47.7 and 48gr are too hot, leaving definite ejector marks on the Lapua brass.

John

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If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then I will hear from heaven, and I will forgive their sin and will heal their land. 2 Chronicles 7:14