I would say it is damn close to 700X in burn rate but it is still considered a canister grade powder so there is no real data on burn rate out there. I am trying to get knowledge of this powder out there so the manufacturer will take on the US market. I am a very high volume shooter, I shoot about 4,000 rounds of 9mm a month but some months more and a ton of rifle rounds as well. As for the metering aspect I copied what I posted on another forum on my metering test and it is damn accurate, much more accurate than 700X through a Dillon measure. As for economical the last 700X I got was at $33.75 a pound and that works out to .016 cents per round and the CSB-5 at $20 a pound works out to .008 per round so yes it is very economical even if you factor sales tax on the 700X or the shipping and hazmat on the CSB-5.
As of yesterday I am 3,000 plus rounds down range with this powder. When I first got it I tested it to see how well it did in a dillon powder measure and loaded a thousand 9's and a thousand 45's. I decided to test charge accuracy this evening. I charged 100 cases and weighed each one. 87 of the charges were dead on, 6 were off by two tenths of a grain, 4 were off by one tenth and the final 3 were one tenth over. I was loading for 4 grains.
After this I emptied the powder measure and loaded my go to of 700X. Close to 40 of the 100 charges were off by two tenths, 20 were off by 3 tenths, 8 were under by a half grain.
Two tenths is really not a big deal so the CSB-5 to me is close enough to perfect, even 700X is acceptable. The 700X is off 68% of the time versus 13% that were off with the CSB-5. Not that the difference will be noticed in shooting with the 700X which it hasn't but damn that powder doesn't meter for shit, almost the same for clays.
I also have some tightgroup laying around and it was at 98% accurate metering.
The other thing I like about this powder is that it fills the cases. I like being able to not only use the Dillon powder check but use my eyes as a second powder check.
I have pressure tested the 4 grain load and it is safe and within acceptable pressure. ALso tested in in 40 and 45, same thing there.