Lyman 7705102 Pro Headspace Gauge Set .308 Winchester Precision

The Lyman 7705102 Pro Headspace Gauge delivers precision measurement capabilities essential for safe .308 Winchester ammunition reloading and chamber verification. This professional-grade tool eliminates guesswork in headspace measurement, providing reloaders with the accuracy needed for consistent, safe ammunition production.

What Makes This Different

Unlike basic go/no-go gauges, this precision headspace gauge offers graduated measurements that allow reloaders to determine exact headspace dimensions. The tool features hardened steel construction with precise machining tolerances of ±0.0005 inches. This level of accuracy surpasses standard field gauges and provides the measurement precision required for match-grade ammunition preparation.

Key Features

• Precision-machined hardened steel construction for long-term accuracy
• Graduated measurement scale for exact headspace determination
• Specifically calibrated for .308 Winchester cartridge dimensions
• Compatible with standard reloading press setups and measurement tools
• Machining tolerances held to ±0.0005 inches for professional accuracy
• Corrosion-resistant finish protects against workshop moisture
• Clear measurement markings for easy reading under workshop lighting

This headspace gauge proves invaluable for competitive shooters who require ammunition tailored to specific chamber dimensions. The tool enables reloaders to optimize case sizing for improved accuracy and brass life. Whether preparing match ammunition or verifying chamber specifications on custom rifles, the gauge provides the measurement precision necessary for advanced reloading applications. The hardened construction maintains calibration accuracy through thousands of measurement cycles.

Technical Specs

• Caliber: .308 Winchester / 7.62x51mm NATO
• Material: Hardened tool steel construction
• Tolerance: ±0.0005 inches measurement accuracy
• Finish: Corrosion-resistant coating
• Compatibility: Standard reloading press systems
• Manufacturer: Lyman Products Corporation
• Model Number: 7705102

Serious reloaders recognize that precise headspace measurement forms the foundation of accurate ammunition. This gauge provides the professional-level accuracy required for optimizing case preparation and achieving consistent chamber fit across different rifles.