27 cal 10 twist SS #3 27"
5R rifling
.670 at 26" continued taper

27 cal 10 twist SS 3b 27"
5R rifling
.700 at 26" continued taper

27 cal 10 twist SS 2b 27"
5R rifling
.630" at 24" continued taper

27 cal 10 twist SS Rem Varmint 29"
5R rifling
.830 at 26" continued taper