So, I've tried two different loads now and can see this isn't going to be a simple plug and play. Something is causing weird fliers, but I can see the potential is there.
Haven't really gotten very happy with this yet.
Also damndest thing... when I switched from 120 NBTs to 142 LRAB, the POI was about 8 inches lower on the LRAB at 100.
Would not have expected such a drastic difference.
5 shot 142 LRAB
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Probably would have been happy with this 20 years ago, 120 NBT