I've wanted to do this for a while to validate the "accuracy" of my chronograph so after shooting a bunch of groups this afternoon, my friend placed his Pro Chrono in series with my CED M2. The Pro Chrono recorded velocities are shown in parentheses and the PC was behind the CED M2 (further away from the muzzle) but right up against it. Both chronographs seem to be in reasonable agreement. I have no idea which one is the more accurate and I suppose it doesn't matter really. I also don't know why the PC registered higher velocities for the .300 WSM but slower velocities for the .270 Win and .300 Win Mag. Does anyone else have comparisons of chronographs in series?
.300 WSM
3050 (3058)
3043 (3044)
3068 (3072)
3005 (3016)
.270 Win
3139 (3129)
3130 (3122)
3148 (3137)
3139 (3129)
.300 WM
3271 (3259)
3294 (3284)
.300 WSM
3050 (3058)
3043 (3044)
3068 (3072)
3005 (3016)
.270 Win
3139 (3129)
3130 (3122)
3148 (3137)
3139 (3129)
.300 WM
3271 (3259)
3294 (3284)