Been a Muzzy 4 blade 100 grain user for 10+ years, but this summer had a to tune up the bow (new string, sights, rests, arrows, etc...). Grabbed a pack of Dead Ringer Freak Nasty broadheads to test out. Fly right with my field points and will cut like a fixed bladed even if they fail to expand as the front of the blades when closed are sharpened. 7/8" cut when closed. Hope to get some real world tests on animals this fall and will report.