They are some excellent heads. I think they are the best kept secret in archery. I'm 3 for 3 with them elk, bear, whitetail. I shoot the 100 gr standard.

Check out this thread http://www.archerytalk.com/vb/showthread.php?t=671228

and this thread...... http://www.archerytalk.com/vb/showthread.php?p=7799778#post7799778

and this thread...... http://www.archerytalk.com/vb/showthread.php?t=766763

and this thread......http://forums.bowsite.com/tf/regional/thread.cfm?threadid=158536&MESSAGES=75&sta te=NM