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Review Summary
2026-04-14T20:00:00
A definite must have for safe powder charge monitoring on a progressive style press. Indicator only, especially ones with no sound or light warning, are not protection against improper loads. This die works, needs no power, and is easy to set on or off the press. Best money I've spent in a while for protection.
merman66

2026-04-02T20:00:00
I found that many reloaders use and prefer this to other methods and products. I set it up and I really like it !
William M.

2025-11-20T19:00:00
I have several types of powder safty dies. This the best die I have used so far. Works extremely well on Dillon 650.
Robert G.

2025-11-18T19:00:00
This Lockout Die is an absolute necessity when using a multi-stage press.
SkeeterBait

2024-03-18T20:00:00
This die was exactly what I was looking for to replace my Dillon Power Cop. The only reason I had to return them was because they were designed for pistol cartridges. Since I reload pistol cartridges(2) on my Dillon 550, which only a 4 station press. My other calibers (6) I reload on my Dillon 750 which is a 5 station press. This die would be perfect if only it would work it bottleneck cartridges
James T.

2023-06-30T20:00:00
Detects over/under charges and stops the operation if one of those conditions occurs.
Paul P.

2023-03-23T20:00:00
Works well.
Lavern H.

2023-02-05T19:00:00
Installed this in my Press to prevent overloads and No powder loads to keep from having to visually check each load. Very pleased with performance and has sped of the loading process. Plan to buy one for each caliber I am oading. Die will lock the press for over and under loads and prevent you from proceeding until problem is fixed.
Michael S.

2022-03-01T19:00:00
I use RCBS Lock-Out dies in all five of my pistol cartridge setups. The Dies are easily set up and catch over or under charged cases during my testing and reloading sessions.
Britt H.

2021-08-29T20:00:00
Very precise in the settings for under/over charge when setting up on any progressive press, there's one installed on each of my 5 presses.
Timothy S.

2021-07-13T20:00:00
I only wish I had acquired one much sooner. It has completely restored my confidence in loading properly charged rounds. The possibility of "squib" or overcharged loads is now a thing of the past. Just do it!
Dan P.

2021-07-10T20:00:00
Easy to set up and prove function. Will not allow you to continue loading if you have a missed or double charge.
Sheldon R.

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Steel
076683875402
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.