Primer Seating Depth Gauge For Rifle Rounds With Five Base Gauges 223R 308W PPC 300WM 338LM Tungsten Probe Calibration Pin And IMP MTR Digital Dial Indicator For Precise Reloading And Quick Depth Checks For DIY Reloaders
Designed to accurately measure primer seating depth for rifle rounds, this CNC-machined gauge set is used on reload benches, gunsmithing stations, and maintenance tasks to verify primer depth across five base calibers. Crafted from 6061 aluminum with a hard-anodized finish and paired with a tungsten carbide probe, it's built for repeatable, long-lasting performance.
✅ CNC-machined from 6061 aluminum with hard-anodized coating
✅ Five base gauges included:.223R,.308W,.300 WM, 7.62×39 PPC,.338 LM
✅ Tungsten carbide probe for wear resistance
✅ Stainless steel calibration block pin, precision surface-ground
✅ Dial indicator compatibility: 8mm shank, travel 10-13 mm
✅ Color: SILVER; combo set includes all parts shown for a full setup
💡 What is a primer seating depth gauge used for in precision rifle reloading and why choose a five-base gauge set? This tool helps ensure primers sit at consistent depth for reliable ignition.
- It standardizes primer seating across multiple base calibers
- It supports quick depth checks on a reload bench
- It uses a tungsten probe and stainless calibration pin for accuracy
- It helps reduce misfires from improper primer seating