It has been a few years but Winchester pushed the "buzz saw" effect of the earlier black talon and SXT rounds as "terminal ballistic advantages". I do recall seeing the clear gel shots and it was obvious there was something going on. But as I am sure someone will point out, how much spinning is going to go on as a bullet passes through an animal?
I believe the MP went from a 1-16 to a 1-12 twist but could not confirm it anywhere. I do know the added twist kept bullets much straighter going through glass. With the slower twist there will be a distinctive square edge on the lower side of the glass indicating the bullet tipped at impact. Going to a faster twist kept a much better wound track with less deflection.
Hunt hard, kill clean, waste nothing and offer no apologies.
"In rifle work, group size is of some interest...but it is well to remember that a rifleman does not shoot groups, he shoots shots." Jeff Cooper
