- Purpose-made modified case for use with the Hornady Lock-N-Load O.A.L. Gauge
- Chambers in any .223 WSSM rifle to measure the true cartridge overall length to the lands
- Manufactured to SAAMI specifications for correct fit in .223 WSSM chambers
- Drilled and tapped to accept the O.A.L. Gauge bullet-holding assembly
- Lets handloaders determine and control bullet seating depth relative to the rifling
- Repeatable datum point for accurate load development tailored to your barrel
The Hornady Lock-N-Load Modified Case for .223 WSSM (Winchester Super Short Magnum) is a precision reloading tool designed for use with the Hornady Lock-N-Load O.A.L. Gauge. A modified case is a factory cartridge case drilled and tapped to accept the gauge's bullet-holding stem; it chambers in your rifle like a live round, enabling you to measure the exact distance from the bolt face to the rifling lands — the true overall length for that specific barrel and chamber. This measurement is the foundation of accurate load development, allowing you to set bullet seating depth to a consistent jump or touch. Hornady manufactures this case to SAAMI specifications for the .223 WSSM chambering, ensuring a proper fit without over-travel or resistance. Whether you are shooting the .223 WSSM for varminting or precision work, knowing your cartridge-to-lands distance allows you to develop loads that are optimised for your individual rifle rather than based on book maximums alone.
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