6mm 7.5 twist SS Rem Varmint 29"
5R rifling, .237 bore
.830 at 26" continued taper

6mm 7.5 twist SS Heavy Varmint 29"
5R rifling, .237 bore
.900 at 28" continued taper

6mm 7.5 twist SS M24 29"
5R rifling, .237 bore
.900 at 26" continued taper

6mm 7.5 twist SS Heavy Palma 29"
5R rifling, .237 bore
.900 at 28"

6mm 7.5 twist SS 3B 27"
5R rifling, .237 bore
.700@ 26"

6mm 7.5 twist SS 1.250" straight 29"

5R rifling, .237 bore

6mm 7.7 twist SS Heavy Varmint 29"
**4 groove** .237 bore
1.0" at 28" continued taper