Originally Posted by
thndrchiken
I haven't really worried about velocity, too much. I do my load work up and when I have a load that I have settled on then I chrony it and punch the numbers into my shoot software to get the estimated bullet drop at range. That being said there is still no substitute to actually shooting at the intended ranges to know exactly how the load performs at range.
+1
The closest I've been to book velocity has been 31 fps, which considering the many variables already mentioned, I thought was pretty close. Generally though, manual data is just my starting reference point for load development.