Quote:
Originally Posted by Bushrat
Well said. Years ago I went to turning necks, have never looked back. Seating concentricity issues disappeared even with ordinary off the shelf standard dies. If one side of the neck is thicker than the other you will always be fighting it. Also if the case mouth is not perfectly square the bullet will contact the high side of the neck first when beginning to seat and tip the bullet out of alignment as it is seated. The neck even if perfectly straight and aligned will not straighten a tipped bullet or a bullet that is not aligned to go into the neck perfectly straight. If it enters the neck upon seating tipped or off center it will be crooked when fully seated. The brass neck is the weakest link and will deform to accommodate this misalignment, it doesn't have the strength to 'straighten' an already misaligned bullet as it is being seated.
Square case mouth with a proper concentric chamfer + equal neck thickness around its circumference + straight, centered and aligned bullet as it enters the case mouth = straight ammo.
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IMHO, 'proper' includes smooth, and free of burrs or sharp edges that can resist insertion or scratch the finely polished jacket.
Fortunately, this does not require any specialized $$$ tooling.
I just use fine steel wool in any socket or 'nut-driver' that is comfortable in my hand. (Some might prefer to secure the wool holder to the bench.)
A simple twist or two & done. Your finger tip (and the bullet jacket) will easily feel the improvement.
Good Luck, YMMV.