Lee 45 APC Factory Crimp Die

1935Lee

This die is a little different than the other Lee dies, and I wasn't quite sure on how to use it. On the off chance someone else might be in the same boat here is the eply from Lee

I didn't find the Instructions for just the Pistol Factory Crimp Die on our web site but I took the information on how to adjust it from the Pistol 4-Die Set Instructions. I have provided it below. If you would rather I send you a paper copy, please let me know.
Screw the Lee Carbide Factory Crimp Die in, until it just
touches the shell holder and back out the adjusting screw.
With the loaded round in the die, turn the adjusting screw
in until you can feel it just touch the case mouth. Then
move the cartridge out of the die slightly and screw the
adjusting screw in 1/2 turn for a light crimp and one full
turn for a heavy crimp. You can adjust for even greater
crimp and never have to worry about buckling the case
as with conventional crimpers. The case is sized as it
enters the die and again as it is pulled out of the die. This
assures you every case will freely chamber in any standard
gun. Don't expect the carbide sizer to touch every
case. It is a fail safe tool for the occasional bad round that
could ruin your day.

dcs shooters

Read the post above on crimping auto rounds and adjust like it says.
You will not go wrong if your measurements are like it says [;)]

machine gun moran

I started using the Lee die, and I like it a lot. I had been using different methods (sizing die, crimping die) to close the mouth bell to a straight cylinder without a crimp on auto pistol cases, but fine-tuning is easier with the Lee die. And if a crimp is desired, the Lee die will not allow an over-crimp.