My daughter shoots 10M air, now NCAA in college. Therefore I have been hanging out in the 10M scene for a while now. Serious shooters pellet test their rifles. Most common pellet used in matches (my guess) is the RWS R10. That is of course if the rifle likes them. It also depends on lot numbers of that pellet. RWS Meisterklugen (sp?) are used. Some rifles they test better than the R10. The Chinese pellets, QYS, are being used a lot, maybe as much or more than the RWS R10. I know when we visited the Air Force Academy rifle team they had determined thru their testing the QYS pellets were the best and that was all they used. I believe a lot of Olympic shooters use them. My daughter’s rifle has been pellet tested numerous times with RWS pellets on her high school range and R10’s (don’t know the specific lot numbers) were the best. Her rifle was pellet tested over the summer at the Olympic Training Center by their gunsmith and QYS was best (it was not the QYS match but practice pellet). I do see some Vogels. I hardly see pellets from JSB or H&N, both brands I like. I am sure they are fine and not sure why I don’t see more of them (maybe used more in Europe?). Like said above they only use flat nose, wad cutter pellets. You would have to be really, really, really good to see the difference in your scores between what test best in your rifle and the RWS Basic pellet. My daughter’s HS team practiced everyday with RWS Basics and switched to whatever pellet tested best in their rifle on match day. Colleges seem to use match day pellets everyday. I fool around shooting both 10M Rifle & Pistol and shoot Vogel & RWS Basics. I am not set up to do any real pellet testing but found they both shoot little tiny groups. Much better then my offhand skills.