Lee 90123 257 Roberts Ackley Improved Case Length Gauge with Shell Holder

The Lee 90123 Case Length Gauge and Shell Holder provides a precise, straightforward way to prepare brass for the 257 Roberts and 257 Ackley Improved cartridges. Designed to help reloaders trim cases consistently and square the case mouth, this steel gauge supports uniform case preparation for reliable chambering and repeatable ammunition performance. Its dedicated design makes it a practical addition to a reloading bench for both routine maintenance and new case preparation.
Use the Lee 90123 gauge with a Lee Cutter and Lock Stud or Zip Trim system. The gauge helps establish consistent case length while the included shell holder secures one casing during the trimming process. It is intended for measuring and trimming compatible brass cases, making it useful for reloaders who want a simple, repeatable method without relying on complex adjustments or separate measuring steps.
This two-piece set includes the case length gauge and matching holder, finished in silver and constructed from durable steel for dependable use. The gauge is compatible with .25-caliber 257 Roberts brass and 257 Ackley Improved applications. Whether you are maintaining a small batch of cases or preparing brass for regular range use, the Lee 90123 combines cartridge-specific fit with the practical operation expected from Lee reloading equipment.

Features:

• Capacity: Holds one casing during case preparation

• Type: Case length gauge with shell holder

• Caliber: 257 Roberts and 257 Ackley Improved

• Size: .25 caliber

• Function: Measures and helps trim cases consistently

• Compatibility: Designed for use with the Lee Cutter and Lock Stud or Zip Trim

• Material: Durable steel construction

• Includes: Case length gauge and shell holder

• Finish: Silver

• Media Type: Brass shell cases