Lyman .300 AAC Blackout Case Length/Headspace Gauge

Description

The Lyman case length/headspace gauge is a metal inspection tool designed for use with the .300 AAC Blackout cartridge. It allows reloaders to verify that resized bottleneck rifle cases do not exceed maximum or fall below minimum allowable headspace. The gauge also identifies cases that exceed the maximum allowable case length, supporting safe reloading and consistent ammunition performance. Caution: Any case found with excessive headspace should be destroyed immediately.

Key Specifications

• Compatible with the cartridge listed as .300 AAC Blackout.
• Material is specified as METAL.
• Listed overall dimension is 1.30 X 2.80 X 5.30.
• Listed height is 1.3000.
• Listed width is 2.8000.
• Listed length is 5.3000.
• Product type/usage is listed as CASE LENGTH/HEAD SPACE GAUGE.
• Listed product weight is 0.25.

Simple, durable, and purpose-built for the reloader, this Lyman gauge provides a straightforward way to confirm critical headspace and case length dimensions for .300 AAC Blackout ammunition. Its metal construction and clear sizing make it a practical addition to a reloading bench for those who prioritize safety and consistency in ammunition preparation.