![RCBS 88287 .300 Winchester Magnum Case Length Trim Gauge Nexgen Outfitters RCBS 88287 .300 Winchester Magnum Case Length Trim Gauge Nexgen Outfitters](https://cdn11.bigcommerce.com/s-qdhl0zkn69/images/stencil/300x300/products/28865/63324/RCBS_Gauge_300Blackout__39277.1702409510.jpg?c=1)
Rcbs chamber case length gauge.300aac blackout Other Features: Designed to quickly check case length, diameter, and overall cartridge length of your handloaded ammo.
- Gauge or Caliber:
- .300 Blackout