Hornady A6MMC Lock-N-Load Modified Case for 6mm Creedmoor

The Hornady A6MMC Lock-N-Load Modified Case is designed for use with the Lock-N-Load Precision Gauge when checking chamber fit and bullet seating alignment in 6mm Creedmoor rifles. This specially modified brass case provides a consistent interface between the gauge and firearm chamber, helping reloaders evaluate bullet position and alignment with greater confidence during precision handloading. The case is intended for measurement and alignment applications rather than live ammunition loading or firing.

A fine-thread attachment point connects the modified case securely to the Lock-N-Load Precision Gauge. This threaded design helps keep the case properly aligned and square within the gauge, supporting repeatable measurements as you check cartridge fit in the chamber. The case neck is carefully prepared to be round and slightly opened, allowing a standard-diameter bullet to enter the mouth smoothly while remaining centered for precise positioning. This construction makes the A6MMC a practical tool for reloaders working to establish consistent bullet jump and seating depth.

Made from durable brass, the Hornady A6MMC is built for repeated use in rifle reloading setups when paired with a compatible Lock-N-Load Precision Gauge. Its dedicated 6mm Creedmoor configuration provides a proper case profile for this popular rifle cartridge, while the modified design simplifies chamber and bullet alignment checks. Use the Hornady part A6MMC as part of a careful load-development process to help produce consistent, well-informed seating adjustments. Always follow the gauge manufacturer’s instructions and safe reloading practices when using this modified case.

Features:

• Type: Modified Case

• Caliber: 6mm Creedmoor

• Function: Rifle

• Material: Brass