Thanks. Yeah, those are the ones. I've tried them in a stock Stryfe and a modified Maverick and they seem to perform as well as elite darts. I agree the quality of them though.
I often wondered about rifling in a nerf barrel. If a certain amount of spin on a dart would help stabilize a light weight dart at higher velocity than what it is truly meant for. Interesting...
The inside diameter of sch80 will be slightly smaller. It's a lil' heavier than sch40 pvc electrical conduit. Used for under high traffic areas where you might worry about damage to the pipe. I sell the stuff