Lee Precision Breech Lock Pro Shell Plate #1 38 Special / 357 Mag

The Lee Precision Breech Lock Pro Shell Plate #1 (part 90582) is a hardened steel shell plate engineered for the Lee Auto Breech Lock Pro and Pro 4000 progressive reloading presses. This #1 size plate indexes .38 Special and .357 Magnum cases through the reloading cycle, supporting cartridges up to 2.30" overall length. Changing calibers on a Breech Lock Pro press is as simple as swapping in a different shell plate - the press automatically advances the new case through sizing, priming, powder charging, and bullet seating.

The shell plate is purpose-built for the Breech Lock Pro platform only and is not interchangeable with the standard Lee Pro 1000, Load-Master, or other non-Lee presses. Each plate is sized to a specific case family so the case mouth, rim, and overall length are retained correctly throughout every station of the reloading sequence. Constructed from hardened steel for long service life under repeated cycling, the 90582 is an affordable spare or replacement for high-volume handgun reloaders running .38 Special target and cowboy-action loads, .357 Magnum hunting ammunition, or anyone who needs fast caliber swaps between similar cases.

Compatible cartridges include .38 Special, .38 Special +P, .357 Magnum, and similar cases within the #1 shell plate specification. One shell plate is supplied; the press, dies, and other reloading components are not included.