06-25-2013, 10:50 PM
The velocity starts to matter when the twist is slow enough that the bullet becomes marginally stable.
The shorter barrels yield slower muzzle velocities for the same ammunition.
That might be why it looks like Alexander Arms uses a slightly faster twist for their shorter barrels.
The shorter barrels yield slower muzzle velocities for the same ammunition.
That might be why it looks like Alexander Arms uses a slightly faster twist for their shorter barrels.