The Lyman Case Length/Headspace Gauge for 350 Legend gives you a simple, direct way to verify critical dimensions on your rifle brass after resizing. Proper headspace is foundational to safe, accurate reloading — it affects chambering, pressures, and case longevity. This gauge eliminates guesswork by letting you quickly check whether each case falls within acceptable tolerances, catching out-of-spec brass before it goes into the press.
Whether you're working up loads for a new rifle or maintaining consistency across a large batch of reloads, this 350 Legend–specific gauge takes the interpretation out of the process. Insert a resized case, and you'll know at a glance if it's good to go, too short, too long, or suffering from excessive headspace. Cases that fail inspection can be set aside immediately rather than risking a unsafe condition downrange.
If you're serious about reloading — whether you're chasing precision at the range or preparing reliable hunting ammunition — investing in the right measuring tools is non-negotiable. The Lyman gauges are built to give you repeatable, trustworthy feedback on the dimensions that matter most. For 350 Legend shooters and reloaders, this is a straightforward addition to your bench setup.
Key Features
- Checks both case length and headspace dimensions in a single tool
- Identifies cases that exceed maximum allowable case length
- Detects excessive headspace — critical safety information
- Calibrated specifically for 350 Legend bottleneck rifle cases
- Simple pass/fail design removes guesswork from quality control
Frequently Asked Questions
Why do I need to check headspace after resizing my 350 Legend brass?
Headspace directly affects how a cartridge chambers in your rifle and how pressure builds during firing. Cases that drift out of spec — either with excessive headspace or improper length — can cause chambering issues, inconsistent pressures, and premature case failure. Checking with a dedicated gauge after resizing ensures every round meets safe, standardized dimensions before you prime and load it.
What do I do if my gauge shows excessive headspace?
Any case found with excessive headspace should be destroyed immediately and not reloaded. This is a safety-critical finding and means the case should be discarded rather than salvaged.
Is this gauge specific to 350 Legend?
Yes, this gauge is calibrated specifically for 350 Legend bottleneck rifle cases. It is not interchangeable with other calibers.
How does this gauge work?
You simply insert a resized case into the gauge. The gauge has minimum and maximum allowable dimensions marked or built into its design. If the case fits within those boundaries, it's good to reload. If it's too short, too long, or shows excessive headspace, the gauge will make that clear immediately.
