I only reuse my Muzzy 100 grain, 4-blade broadhead if it has not been bent or deformed.(None to date) And ONLY after replacing the blades and the Trocar tip.

On my daughters Montec G5, 85 grain heads; Ifollow the Montec sharpening instructions using a three step honing process. First all three edges get a round of side-to-side passes on a 600 grit diamond stone, then the same round on a 1200 grit diamond stone and follow up with a ceramic surface while pushing the headforward as if the broadhead was penetrating. This prevents a roll or curlfrom being left on the edge. They end up razor-shaving sharp and the angle does not get altered.