you may also want to look at "predators" by Duravanes. I've shot QS and currently using the duravanes. Got a lot of whistling from the QS's.






2.0" Predator

Length:
2"


Height:
.500"

Weight:
3g

Base Width:
.100"

Thickness Top:
.015"

http://www.duravanes.com/Predator.html