Search:

Agree with you 95%, what you can help me to understand now is, in the case of those people shooting thruout short barrels why or when a slower powder "help" keep the pressure curve till the end of...

So, I will try to explain in a different way, all the figure I will put here is fictional to a 308 caliber and you just "transfer your imagination to other calibers.

Imagine a drag race track, it...

Maybe a good read regards barrel length and velocities.

6.5 Creedmoor- Effect of Barrel Length on Velocity: Cutting up a Creedmoor! | Rifleshooter.com

That is another conversation that I will "TRY" to help later.

Heavier calibers, such .308 upwards will have rifle especifications different for the purpose they are build for, a varmint 308 is likely to have a slower twist rate to push lighter projectiles...

No, what has a calculation is twist rate for projectile weight. Even shooting a heavy projectile with the right twist rate the barrel length will only determinate how fast you will need to "push the...