I'm interested as well in the terminal performance of the 130 Sirrocco.
I have done load development with them a couple of times but couldn't get them as good as I would like or as good as others I tried.
Litz lists the BC as .491, a bit less than the advertised .571
I have a couple of "grunty" 6.5s to do & it is one of the projectiles I may try along with the 120 GMX, 127 LRX & 130 CEB
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