Forster Products Inc NTG308 Neck Tension Gauge Red 308 Win Rifle Firearm

Overview

The Forster Products Neck Tension Gauge (NTG) for .308 Win is a precision inspection tool used to screen and sort brass cases after sizing but before bullet seating. By using the gauge to determine the optimal inside neck diameter, reloaders can ensure consistent bullet release and retention, which is critical for accuracy. The tool features four stepped diameters that increase in size toward the handle, allowing the user to find a slip-fit measurement for their case necks. Each diameter is etched onto the metal tool for easy identification. This gauge also serves to inspect for the formation of "donuts" at the neck-shoulder junction, helping reloaders fine-tune their case preparation for improved consistency.

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