Forster Products 350 Legend Go Gauge Headspace Gauge Steel

A Forster Products 350 Legend Go Gauge is a precision headspace measurement tool built for shooters, handloaders, and gunsmiths who need to verify that a rifle chamber is safe and ready to shoot. This hardened steel gauge conforms to SAAMI specifications and confirms the minimum acceptable chamber dimension—meaning your rounds will chamber and fire reliably without excess headspace that can cause misfires, case ruptures, or premature wear. Whether you're evaluating a used rifle before purchase, testing a freshly chambered barrel, or verifying a firearm after maintenance, a Go Gauge is the first critical step in any headspace check.

Forster's gauges are machined to tight tolerances and built to last through years of shop use. Unlike generic alternatives, Forster headspace gauges are engineered to SAAMI standards, so you're working with a known reference—not a guess. The Go Gauge alone tells you whether a chamber is at least large enough to function; used alongside a No-Go or Field Gauge (sold separately), it gives you a complete picture of chamber condition and safety.

If you're serious about reloading, barrel work, or rifle maintenance, proper headspace verification is non-negotiable. A single Go Gauge for 350 Legend fits that first line of defense, and Forster's reputation for precision means you can rely on your measurements every time.

Key Features

• Machined to SAAMI specifications for accurate chamber verification
• Hardened steel construction withstands repeated use without drift or wear
• Go Gauge function confirms minimum safe chamber size
• Purpose-built for 350 Legend caliber

Specifications

Frequently Asked Questions

What does a Go Gauge do?

A Go Gauge verifies that your 350 Legend chamber meets the minimum SAAMI dimension. If the bolt closes on the Go Gauge and a properly loaded round chambers, your headspace is within safe limits on the small end of the tolerance.

Do I need a No-Go or Field Gauge too?

A Go Gauge alone confirms the minimum dimension. For a complete headspace assessment, many shooters and gunsmiths also use a No-Go Gauge (to verify the chamber doesn't exceed the upper limit) and optionally a Field Gauge (to check absolute maximum safe headspace). The Go Gauge is a good starting point.

What is this gauge used for?

Use a 350 Legend Go Gauge when chambering a new barrel, checking a used rifle before purchase, verifying a firearm after gunsmithing work, or performing routine maintenance to ensure safe chamber dimensions.

Is this gauge SAAMI certified?

Yes. Forster headspace gauges are manufactured to SAAMI specifications, which means they serve as a reliable reference standard for chamber measurement.