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9x39US Go/No-Go Gauge Set
These precision-engineered gauges are specifically designed to work with our 9x39 barrels, our 9x39US ammo, and the 9x39 Starline Brass. Marked 9x39US, they are manufactured to our in-house specifications and are the exact same gauges we use in our own shop for quality control and chamber verification.
⚠️ Important: Due to variations in chamber dimensions across the industry, these gauges may not be compatible with barrels from other manufacturers.
No returns. All sales are final.