ORIGINAL: bigbulls
The newgunshavepressed in beads. You must grabthe beadwith some vice grips from the sideand take a hammer and whack the grips upward to get it to pull straight out. After that you will have to drill and tap the hole to 6-48 or 8-40so that you can screw in a new bead.
I didn't know that, sorry donnie, I guess I have an older one.