Current barrel is a 1:10 twist, 27" straight taper to 1.00" at muzzle. Shooting 225 ELD-M's at 2900fps out to 2900yds+.
Next barrel will be a 1:8 twist, 30" no taper (straight 1.25 truck axle). Looking to use the 190 Badlands or 198 Warner Flatlines @ ~3150fps.