I've got to say the CED is hard to beat! cost a bit more but it's the only one I've ever used that would clock those 20gr V Max from my 17 Remington! picked them up all the way to 4278fps then I found out that fouling was real bad lol but even at 3995fps most will only pick up 1 or 2 in a 5 shot string. For 95% of the stuff out there those pro chrony should work fine. Think I like about the CED is all the important stuff is on the bench with you, if you shoot the screens or eyes they are not too bad to replace money wise. Later,
Kirk