As indicated in #60 and #63, it is fairly new. Dr. Michael Courtney, an LRH member, has a PhD in Physics, and did some "empirical" study on this matter. If you want to call the study full of crap, I am pretty sure he'll gladly give you more details. There are also other SMEs in the industry that are recommending an SG of 2 for the monos. Everyone is entitled to an opinion, and no one is being forced to adhere to it. If peep wants to keep an SG of 1.5, have at it, and life goes on.They're full of crap. There's some back and forth about terminal performance in certain monos with SG's under 2, but there's no mono that is unstable in flight at 2.0
My recommendation is if a mono needs that much stability, find another one. Because the rest don't.
In SH, there's thread "Progress in Developing Copper ULD Bullets" that address this issue, David Tubbs helped in the testing of the prototype .338 Cal at 1000Y. The OP is from Patagonia Ballistics.
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