Hatter wrote:If you're already turning your necks, you're probably already addressing the neck tension more than the die will?
Not really because the neck tension in a regular die is set by the size of the size of the internal sizing button on the decapping pin. You might be able to precision grind this smaller and increase neck tension but you cannot increase its diameter to reduce neck tension
You're really talking about the final stage of tuning if you're playing with neck tension. Most competition shooters I've spoken to simply set neck tension at the start of case prep (neck turning) and that's that. Often there are considerations of neck thickness due to chamber size though which effects bushing size.
Like any if this stuff it's something that will only gain you small improvements. You redoing it to remove the 1 in 10 or 1 in 20 round flyer, not to halve your group size.
If you're concentricity is already good you might stick with your existing setup, but what are your groups like? There might be a more economical way to reduce group size
Chronos