I used the Paco back in the day when I was serious about accuracy, just need minute of squirrel these days. Need to dig it up, last seen circa 2010......
Look forward to your results.
When groups really matter, I weigh each individual cartridge and put them with like weight ones. The correct ones are usually a bigger quantity, I shoot those and relegate the off weight ones to the kids pile of plinking stuff.
And that SV white and yellow Aguila has been my go to and available...