I began the load work up for my custom 7mm rem mag. I started with the ladder test. I loaded 10 rounds at the same seating depth, varying the charges .3 grains each. The initial load was 67.5 grains with the final load 70.2 grains. From what it appears to me I have 3 separate accuracy nodes:
Shots 1&2 (67.5-67.8)
Shots 5&6 (68.7-69.0)
Shots 9&10 (69.9-70.2)
What says the GS?
Shots 1&2 (67.5-67.8)
Shots 5&6 (68.7-69.0)
Shots 9&10 (69.9-70.2)
What says the GS?
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