The H3 is a stable to slightly over stable hybrid disc with a little less stability and more glide than the H2.
The H3 features a small micro bead that enables a pure flight line eliminating pitching from left to right. The flight characteristics of the H3 are extremely predictable. Like the H1 and H2, the H3 will not be for the faint-at-heart. Soon to be favored by advanced and pro players.
The 400G series is the regular 400 plastic with a shot of adrenaline. It is the base 400 plastic mixed with another resin that give the plastic a slightly different feel than the base 400 series. The additive also makes the disc more durable and requires more time to break it in.