I’m with Bater on this. I have had many sets of Butler Creek caps over the years and never had a single one break.I run Butler Creeks on over 15 hunting rifles (including 3 LHT’s). I beat these rifles pretty hard and I’ve never broken set. Could not stand the Tenebraex that came on my NX8’s and threw BC’s on almost immediately. The low cost helps make them and no-brainer for me.