ORIGINAL: mobowhuntr
How's this for tough.....
Magnus Stinger. I shot a doe through both shoulders this fall. Blew all the way through her. The ole Stinger was messed up pretty bad, so I sent it back and Magnus REPLACED IT! No questions asked. Lifetime warranty. If you hurt it, and it doesn't matter how, you can shoot a rock with it and they'll replace it.
They are VERY simple to resharpen. I killed deer with them after I shot them at targets. Simply resharpen and you're ready to go. They also fly like lazer beams!
Yup.... Ya gotta go with Magnus Stingers! They are
WICKED!!! 
I got the Stinger Buzzcuts and like them, but, some don't care for the serrated edge on them. The real Stingers (like mobowhuntr and others have) are excellent!
Butch A.