Bullet Overstabilization?

[Vern Humphrey]

"Over stabilization" can result in trail -- the bullet continuing to point in the original direction of launch, instead of keeping it's axis parallel to the direction of motion. That's rare, and usually occurs at very steep angles, so the falling bullet hits the ground base-first (common in anti-aircraft useage.) Beyond that, it has no real effect on accuracy.

High velocity and a high rate of spin can initially over-stress the bullet as it takes the rifling, leading it to come apart in air from centrifugal force -- this used to be fairly common in very high velocity .22 centerfires

 

[lookn4varmints]

I think a very important piece of data is missing, yes? What will the barrel length be on your PISTOL? Are many of us jumping right to rifle twist rates here or I am just totally off? I'm not at all familiar with formal benchrest pistol shooting so maybe I'm missing something in this discussion.