has anyone tried 140 SSTs I just did a ladder test using 2209 started with 37gr and went up to 40gr in.5 increments 37 was slow 2367 FPS 40gr was 2611 FPS all 7 shots grouped within 1 inch at 100m touching each other.
new 22inch 6.5 CM Tikka barrel so new caliber for me might try Win760 powder next
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