One of the reasons i mentioned the slightly over size Lehigh 277gr is its cheaper than his other 458s and they fit nice and snug. Its long for caliber but a middle/light weight by 458 standards so that slightly tighter fit might help if you are trying to push them fast.

Im not sure how his contract obligations will effect his ability to sell his DOA when Knight starts selling them as the BloodLine so getting some samples soon is a safe bet if you want to save a few bucks.