I luv my Timney Calvin Elites , have them on 5 different rifles . 2 260s, 1 308 ,1 300wm, an a 338 lap. The 260s an the 308 have thousands of pulls on them an are just as good as day one, the barrels not so much lol. I haven't used a single stage on my precision rigs in years. I say go with what...