Lee 25-303 (also known as 303-25) PaceSetter 3-Die Set includes a Full Length Sizing Die, Easy Adjust Dead Length Bullet Seating Die, Factory Crimp Die, Universal Shell Holder, Powder Dipper and Instructions/Load Data.
Based on the cartridge specifications:
- Case length = 2.225"
- Base diameter = .540"
- Case neck diameter = .290