25 cal 7.5 twist SS Heavy Varmint 29"
4 groove cut rifling, 1.250" for 5", taper to .900 @ 29"

25 cal 7.5 twist SS M24 29"
4 groove cut rifling, 1.20" for 3", straight taper to .900 @ 29"

25 cal 7.5 twist SS Competition 29"
4 groove cut rifling, 1.250" for 6", taper to 1.10" @ 29"

25 cal 7.5 twist SS 1.250 Straight 29"
4 groove cut rifling

25 cal 7.5 twist SS Remington Varmint 27"
4 groove cut rifling

25 cal 7.5 twist SS CRB Hunter 27"
4 groove cut rifling

257 cal 10 twist SS #4 28"
.670 at 26" continued taper

257 cal 10 twist SS #3 28"
.630 at 24" continued taper

257 cal 10 twist SS #5 29"
.700 at 26" continued taper

257 cal 10 twist SS Rem Varmint 29"
.830 at 26" continued taper