I read that, but it sounds like he under loaded the gun, then stacked the rounds on top of eachother to do that. I don't think you can soley blame the powder.
I just loaded up a few rounds tonight as "tester" rounds. I loaded the above mentioned Speer JSP 165gr into resized .223 primers, with Hodgdon 110. I looked at loading data and it said a 168gr bullet loaded with 17.2 of Hodgdon 110 produced 1958velocity/1431Energy.
So I loaded Five-17.0, Five-16.8, Five-16.6, Five-16.4, Five-16.2, Five-16.0. I figure, starting with 16.0 and working up, I should be able to get a feel for how the gun likes it. The only problem is OAL.
If you could, can you measue a round of yours for the Over All Length. I can't seem to find a concrete answer on line. Right now I have them just presses in and they are measuring 2.65". Which is just a little shorter than the AR mag they are going in.
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