i have a 15# revmaster plugged once and had a flat spot so we cut it out and replugged it and drilled it so its basically on its 2nd drill with only 30 games coverstock is great.
16# v2 solid
15# red meteor plugged from left to right 20 games
15# el nino plugged once
15# bone xs one set of plugs but only  about 1/8 showing clean coverstock
15# ang evo tour 2  2 sets of plugs
16# red executioner plugged from right to left 40 games
16# charcol ex plugged once 30 games