Yeah bp, I could see where durability might be an issue with many mechanicals, If I bust one on its way through a bucks chest and into the ground, I dont mind much.

One other thing i dont care for is having to screw with the rubber bands to hold the blades shut as is the case with some of them, and with my poundage, was told Id need two!. Dont have them on the reapers.

Thought Id try the mechanicals. Little bigger cut than the thunderheads Ive been using. Shooting 80+ lbs on my bowtech & arrows on the lighter side, its near impossible to get anything over an inch and an eighth to fly in the fixed blade heads.

Havent had problems as of late with the fixed blade narrow heads, but just thinking ahead towards the potential of having unavoidable less than perfect hits.