Home / Gauges / 5.56 NATO No Go Gauge View cart “7.62×39 CIP No Go Gauge” has been added to your cart. 5.56 NATO No Go Gauge$5495 Out of stock SKU: G55645N Category: Gauges Product ID: 5331 Description Additional information Description 5.56 NATO No Go Gauge. Manufactured to NATO 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 Out of stock 5.56 NATO Field Gauge $5495 5.45×39 Go Gauge $5495 5.45×39 No Go Gauge $5495