Turns out... sure, let's make 2250fps the new goal so we can claim we've reached it.
First round over the chronograph today:
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5 shot average was.... 2271! String was: 2292 2263 2268 2267 2263
Primers clearly saw some pressure but nothing like the 90gr with this same charge:
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On that first shot I actually aimed at a piece of steel through the chronograph screens, and then remembered not to do that for the rest. It really sets the steel to swinging, and after I went and checked that 1 hit:
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That's at 15 yards on a 6" free swinging target. Ouch. Didn't quite show up as well on camera, but in real life you can see the copper on the plate in addition to the #3 Philips dent.
I'll load up a box of 25 of these nonsensical rounds just to say I've got them, and call it mission accomplished.
Now, if I can score some blue dot I'll work on the fireball rounds.