The only buffs you should be using is CP Buffs, the most durable on the market. The Wilson blue buffs are not very durable as you can see.
http://www.brownells.com/aspx/NS/st...971&title=1911+AUTO+SUPER+TUFF+RECOIL+BUFFERS
http://www.brownells.com/aspx/NS/st...971&title=1911+AUTO+SUPER+TUFF+RECOIL+BUFFERS