The Forster 308 Neck Tension Gage is an inspection tool designed to help reloaders screen and sort .30 caliber brass before the bullet seating operation. It provides objective measurements of inside neck diameter to support consistent neck tension and predictable release characteristics. The compact metal tool features stepped diameters that are etched for quick identification, making it suitable for bench reloading and precision ammunition preparation.
Key Specifications
- This tool is sized for .30 Caliber cases.
- The NTG consists of four stepped diameters that increase in size toward the handle.
- Each diameter is etched on the metal tool for clear and repeatable identification.
- Use the tool after case neck sizing and before bullet seating to determine optimal inside neck diameter for consistent release.
- The gauge allows inspection to detect a donut at the neck-shoulder junction that can affect seating and accuracy.
- Insert the stepped end and slide it until achieving a slip fit in the case neck to identify the effective diameter.
- The NTG is available in five calibers to match common reloading needs.
- Intended as an inspection tool to screen and sort brass prior to bullet seating and final case preparation.
A compact, no-nonsense inspection tool, the Forster 308 Neck Tension Gage helps reloaders maintain consistent neck tension and streamline case preparation. Its etched, stepped design provides quick, repeatable checks so you can standardize your process and focus on delivering consistent ammunition performance.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




