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Firing Pin Protrusion Gauge - Ar-15/M16 Firing/Pin Gauge
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$28.99
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SKU: 080216013
Overview
Essential for properly measuring the amount of the firing pin projecting through the bolt. Too little causes misfires; too much, pierced primers. Mfg: Brownells SPECS: Steel. 2'''' (5.1cm) long, 1/4'''' (6.3mm) wide.