Originally Posted by Tench
I wonder if the shorter rotational axis allows the pellet to change direction easier than a longer pellet? With bullet lengths and barrel twist rates having a close relationship in the centre fire world it makes you wonder how much the rotational stability created by the twist rate influences pellets? There will certainly be a best twist rate and velocity for any pellet type when it comes to bucking the wind, projectile length is one of the important governing factors when choosing ammo for a given twist rate in centre fire rifles.
7.1 and 7.2 gives some interesting points to think about, some of which may be relevant to the shorter overall length of the new pellet and how it apparently "dips" at longer range when fired by certain barrels.