neck sizing

I'm bumping back the shoulder on my 224 Valkyrie once-fired bass by .004" in a Redding FB bushing die, and bringing down the neck with a bushing to a neck tension of .003". However, keeping the shoulder bump to .004", I'm seeing the neck get sized only about halfway. I assume this is not ideal...

Disregard this thread. It was an attempted poll that I couldn't get to work.

Hello all, I was wondering if neck-sizing really does offer an accuracy advantage? I have a single shot 22-250 Rem 12LRPV so the magazine issues would not be a problem. I full-length resize now with Hornady New Dimension dies. Also if I do neck-size the brass, how to I deal with the...