due to circumstances, but I was able to run some things over the Chrony.
First was .300 Blackout using the Hornady Sub-X bullet, which is supposed to expand at velocity down to 900fps. These were over 11.5 grains H4198, which gave a high of 1117, low of 1045, average 1087, so definitely subsonic. Grouped nicely at 50 yards, only distance shot them at today.
On the .223 subsonic, tried some with a 55-grain bullet(pulled from milspec rounds) over 3.9 grains Trailboss, which is .1 short of the max Hodgdon recommends. High velocity 1131, low 929, average 1019. They grouped about 1" or a touch over at 50, which is all the distance I'd expect them to be good at. As expected, they hit several inches lower and standard ammo. I worry about things like stuck bullets, which concern was eased by the dry conditions, as I could see dust jump with each shot.
So that's how those experiments stand.
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