RCBS Lock-Out Die 6mm-284 Winchester / 284 Winchester / 6.5mm-284 Winchester

The RCBS Lock-Out Die is the perfect die to run in a progressive reloading press to determine if a case has been overcharged with powder or undercharged with powder. The die features 7/8"-14 threads to work in any standard progressive press. The Lock-Out Die detects a no powder or double charged case and will lock-up the press movement so you can fix the problem before proceeding. Works for straight wall pistol cases only 9mm Luger and Larger. 2 Cartridge Adaptors (1 Large, 1 Small). Notes: This die comes assembled from RCBS with a spring loaded plunger. How the Die Works: Once the die is set to check for the desired powder charge a plunger on the inside of the die lines up with a ball bearing at the same time the case mouth pushes up on a sleeve inside the die. The die locks up when the sleeve that is pushed up by the case mouth contacts the ball bearing.When the powder charge is correct a ball bearing inside the die will drop into a slot in the plunger allowing the sleeve the...