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Accurately Records Critical Firing Pin Protrusion On Both Centerfire & Rimfire Bolt

Correct firing pin protrusion is critical to the entire ignition sequence. Elliptical face on the recording plunger allows accurate measuring of both rimfire and centerfire pin protrusion to within .0001". To Use: 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 amount of pin protrusion.


Big Book Catalog, Issue:70, Page:468
SPECS: 1/2" (12.7mm) dia., .90" (23mm) lg. Hardened plunger.

BROWNELLS - CENTERFIRE/RIMFIRE FIRING PIN PROTRUSION GAUGE

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