In stock: 85 available.
PT&G brings you the easiest and most accurate way to measure rimfire and centerfire firing pin protrusions to within 0.0001".
Instructions: Unlock plunger, place gauge over protruding firing pin, lock plunger, lift from bolt and mike overall length. Difference between original length and miked overall length of body plus plunger is the amount of pin protrusion.
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