Forster‘s 6.5 Grendel Field Length Headspace Gage (brand part no. HG65GRENF) checks chamber tolerance on AR-pattern rifles chambered in 6.5 Grendel, a caliber where a proper headspace check matters just as much as it does on a bolt-action build. The field gauge measures 1.34 inches, giving a builder or armorer a field-usable reference for confirming a chamber falls within acceptable working tolerance. It’s a practical tool for anyone assembling or inspecting a 6.5 Grendel upper.

Key Specifications

• It’s built as a Field Gauge for the 6.5 Grendel chamber.
• The gauge measures 1.34 inches in length.
• It’s suited for checking AR-pattern 6.5 Grendel uppers.

Frequently Asked Questions

What does a field gauge check? It gives a field-usable reference for confirming a chamber falls within acceptable working tolerance.

What platform is this gauge built for? AR-pattern rifles chambered in 6.5 Grendel.

Buy the Forster 6.5 Grendel Field Length Headspace Gage

A field-usable gauge keeps a 6.5 Grendel AR build checked and confirmed before firing. Browse our gunsmithing tools selection and order from our Lubbock, Texas gun shop for fast shipping.