they have those bead sight tools that are a compression, curved to grab the bottom of the sight bead, Brownells sells them come in a set of two or three different sizes,evens out the prssure and will let it rotate..have used those over the years ,work for us.........
just the other day had one that was broken off, tried to tap the hole and the "press in shoulder" came out, oh well...next size up............OR buy and use the "press in " beads...its a crap shoot til you at least ,call and ask :wink: