It's 1:10, right-hand twist, and seems to prefer 168-grain projectiles. With 168-grain, it's a half-MOA weapon; the smaller you go from 168 grain, regardless of propellant formula or charge, the worse it gets.
The carbon fiber radiates heat insanely fast. I have this weapon chambered in .308 Win and put 60 rounds through it zeroing a scope and checking drop over distance for a DOPE card and the barrel remained cool enough to lay my hand on it throughout. It's a shame that everybody thought that it was...