Forster Products Grendel Go Length Headspace Gauge Features The Forster Grendel Go Length Headspace Gauge is machined to exacting SAAMI specifications so a 6.5 Grendel chamber can be checked with confidence. If a rifle closes on this Go gauge the chamber will accept any ammunition manufactured within SAAMI standard dimensions giving the gunsmith or owner a clear pass result. This gauge is one piece of the full Go No-Go and Field headspace verification process each confirming a different point along the safe chamber dimension range. Using the correct gauge at the correct stage of chambering or inspection helps prevent dangerous conditions like excessive headspace that can lead to case ruptures. Crafted from hardened steel for long service life the gauge withstands repeated insertion and removal without losing its precise dimensional accuracy. At a compact 1.34 inches long and 0.43 inches in diameter it is easy to store in a gunsmithing toolkit alongside other caliber-specific gauges. Forster s reputation for painstaking manufacturing standards means this gauge delivers consistent repeatable results every time it is used. Whether chambering a new 6.5 Grendel barrel or evaluating a rifle before purchase this Go gauge gives shooters and gunsmiths the assurance that the chamber meets safe operational limits. Forster Products Grendel Go Length Headspace Gauge Specifications Manufacturer: Forster Products Model: Grendel Go Length Headspace Gauge Type: Headspace Gauge Caliber: 6.5 Grendel Gauge Type: Go Material: Steel Length: 1.34 Weight: 0.06 lbs Available At: GrabAGun