Gunsmith Gauge Go and No Go 5.56mm◠Mesin presisi saka baja hardened◠dawa GO—Iki mriksa kanggo ndeleng manawa kamar nampa kartrid sing digawe kanggo spesifikasi SAAMI maksimal.◠Dawa NO-GO—Iki digunakake dening paling gunsmiths minangka ukuran headspace maksimum nalika kamar ukuran headspace.◠Ukuran lan specifications padha dicithak ing awak gauge dening laser printing.◠OEM lan specifications customer ditrima.