I have been shooting muzzy for the past 3 seasons. 90gr 4 blade. The only problem I have encountered is finding replacement blades in local sporting goods stores. In fact I can not even find a muzzy in the store that is less than a 100gr. Lost of 3 blade 100 and 125' s but no 90' s.

For this reason I am going to switch to 3 blade 100' s for next season.