I think it was a 20" bushmaster IIRC.Hmm. Maybe with a 24" test barrel. I loaded 24.0 gr TAC with a 75 gr Hndy BTHP at AR magazine length and got 2,640 fps from either an 18" or 16" AR (didn't record which).
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I think it was a 20" bushmaster IIRC.Hmm. Maybe with a 24" test barrel. I loaded 24.0 gr TAC with a 75 gr Hndy BTHP at AR magazine length and got 2,640 fps from either an 18" or 16" AR (didn't record which).