Lee 50 BMG Large series (1 1/4x12 thread) 3-die set, used with the Classic Cast Press only. Includes Full Length Sizing Die, Bullet Seating Die (no crimp), Factory Crimp Die and instructions with reloading data. Select this die set if you are reloading mixed range brass. Note: If you are using a competitor's press with removable bushing, consider our 1 1/2-12 to 1 1/4-12 die adapter bushing. This bushing will allow you to install these dies into your press. 50 BMG shell holder sold separately.