Home / Gauges / 5.56 NATO Field Gauge 5.56 NATO Field Gauge$5495 Out of stock SKU: G55645F Category: Gauges Product ID: 5327 Description Additional information Description 5.56 NATO Field Gauge. Manufactured to NATO specifications. Field gauges should be used to check head space on rifles currently being used in the field. Made in the USA Additional information Weight .042 lbs Dimensions 1.5 × 0.4 × 0.4 in Brand Toth Tool & Engineering Related products 7.62x54R No Go Gauge $5495 Out of stock 7.62×39 CIP Field Gauge $5495 7.62×39 CIP No Go Gauge $5495