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Guess I’m wrong then Cheers BTW slightly nose up compared to what?

That’s the point. Being over stable is nose up. Perhaps good for a guided aircraft. Not so good for a projectile accuracy. As they say. This isn’t rocket science - it’s harder. Projectile science. There is actually a decent thread on tractability on this site. Check it out. I am just a...

That link is gold! Stay above 1.3 but use minimum twist for your bullet/ velocity to maintain ideal tractability

Oh. To my limited understanding, that is true - until it begins to go transonic to subsonic

I’m no expert - start your research

It was - but spinning it too fast makes it stay angled nose up as it descends creating an awful angle of attack /yawl that is not aerodynamic so starts to tumble. What you want is a “gracefully thrown football” remember how the perfect spiral noses down as it heads into the receivers arms...

(Me shooter. Not Brad lol)

PS Brad Stair (sp?) does excellent work. I have shot his 6.5 Creedmoor consistently to 1 MILE ( yes you read that right -1 mile) And I am a new newbie newbie first time shooting to that distance. Hit within 3 rounds then 3 in a row just to prove it wasn’t a fluke. Great Smith avg to below avg...

Why guess ? The current science is to minimally stabilize the bullet so it maintains tractability and goes nose down as velocity slows and it enters the transonic zone. if you have a good gunsmith who can center the chamber exactly to the bore and bed the rifle so as to maintain exact axial...