I've been shooting .30 since my first FX Bobcat Mk2 in 2017. With that gun with the ST barrel, the 44.75 and 50.1 JSB were about equivalent, and the 44.75 slightly more consistent. BC was not much different, 0.047 for 50 and 0.043 for the 44s. Lately with all the new pellets, I've been trying...