I changed all my Dillon throwers to the DAA short bar, the detent screw adjustment seems to work well. Mainly 9mm, 223, and 300 BLK on a 650.
For some things though I use a powder-thru die and dump from my Auto Trickler V4 into the case on the press . Not sure excactly which one I have but one like these:
419 Powder Funnel Heads (Single Head Only)
www.area419.com
Dillon Powder Through Die Adapter MK Machining is now offering a Dillon Powder Through Die Adapter that allows our antistatic funnels to be used with Dillon 450, 550, and 650 presses. Note that this will not work with the Dillon 1050 due to primer tube interference with our antistatic funnel...
www.mkmachining.com
You don't have to get a knock off, Whidden makes a floating die head that is a solid upgrade over the Dillon head for more precise work.
The Floating Die Toolhead is available for two different Dillon Presses, the Dillon 550 and 650/750. The Floating Die Toolhead includes the Toolhead and two (2) Lock Rings.
www.whiddengunworks.com