I'm about to pull the trigger on a fierce carbon rival in one of the 7s but can't decide which one to get. I was wanting a 22" barrel but I've been seeing slow velocities with the 22" so maybe I'll get a 24" instead. What's everyone's experience with velocity in 22" barrels and opinions on 7prc vs 7mag. The fierce comes with 8.5 twist in 7 mag so I'd still be able to shoot heavier bullets