Home / Gauges / 5.45×39 No Go Gauge 5.45×39 No Go Gauge$5495 Out of stock SKU: G54539N Category: Gauges Product ID: 5315 Description Additional information Description 5.45×39 No Go Gauge. Manufactured to CIP specifications. No Go gauges should be used for setting head space on a barrel that is being installed. Made in the USA Additional information Weight .042 lbs Dimensions 1.5 × 0.4 × 0.4 in Brand Toth Tool & Engineering Related products 5.56 NATO Go Gauge $5495 5.45×39 Field Gauge $5495 7.62x54R No Go Gauge $5495