45acp Shaving Lead on seating

• 
• 
• 

Re: lead shaving when seating




I use a vernier caliper or micrometer to measure the outside diameters difference between case body and bell.

I "hang" the case in the jaws of the vernier. Then wiggle case till it pulls thru the bottom of the vernier.

The case measurement will be oval, but gives an idea how much bell is on the case mouth.

To test if the seating die inside diameter is to small, put a lot of extra flare/bell on the case mouth.

Run case into seat die a tiny bit, measuring each time on the bell. Go a little deeper after each measurement.

If you not shaving a ring of lead that ends up in the chamber, its not a problem.