.224 cal 8 twist SS Rem Varmint 29"
5R rifling
.830 at 26" continued taper

.224 cal 8 twist SS M24 27"
5R rifling, .900 at 26" continued taper

.224 cal 8 twist SS Heavy Varmint 29"
5R rifling
.900 at 28" continued taper