Description
The Lyman Case Head Space Gauge is a gunsmithing gauge.
A gauge measures rather than adjusts. Trigger-pull gauges read the force needed to break a trigger, headspace gauges check the distance between the bolt face and the chamber datum, and torque tools set fasteners to a stated figure rather than to feel.
Measurement is the point of the whole category: it turns 'that feels about right' into a number you can repeat and compare.
This is a tool, not a firearm or firearm part, and ships directly to your address.
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