In addition, I want the shell plate to have enough play to easily turn without too much effort, but not loose enough so the shell plate tilts or wobbles when it turns.
I may allow the bottom of the resizing die to touch the shell plate, then back the die off a half turn or so, until it is near flush with the shell plate. First, I determine the height needed for the resizing die, and will place an empty brass case in the shell holder for resizing, and resize the case so the bottom of the resizing die is near flush with the shell plate. I want my tool heads to line up as close as possible to be in-line with the shell plate on the press. Reloading and using Dillon progressive presses. 000”-.003” after, with most rounds falling below. Doing this has brought my concentricity measurements from. For all intents and purposes, it is now like running 3 separate single stage presses simultaneously. "The Whidden floating die toolheads allow your sizer and seater to float independently and self align on the cartridge as it enters the die, similar to the way a Forster Coax press operates. What does help immensely (for a precision shooter, who live on diminishing returns) is a floating or non-floating tool head, properly machined for your application and appropriate for the type of die your using. Taking the play out prevents alignment and reduces performance. When inserted the tool head will lock up. What many reloaders miss is that the "play" doesn't matter as long as it is not at completion of the ram movement. John Whidden, three time National High Power Rifle Long Range Champion also used a Dillon progressive. All of his ammunition was loaded on a Dillon 550 or 650.
He has 11 NRA National High Power Rifle Championships, 30 Silhouette Rifle Championships, 7 Sportsmen's Team Challenge Championships and 6 NRA Long Range Rifle (600-1000 yd.) National Championships, and 2 Wimbledon Cups. David Tubb is probably the best American rifleman in history. If your game of choice is benchrest, there are probably better options.
#Whidden click ring dillon 550 for free
With a few minor modifications the 550/650 is more than acceptable for most match/precision rifle/pistol sports, and many can be done for free (polishing) or at minimal cost (grounding), but some require a larger investment (tool heads, etc.). Combined with quality dies and a solid bench and quality components you can make ammunition that will win National Championships.
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