The Brownells AR-15/M16 Firing Pin Protrusion Gauge (UPC: 050806101678) is a precision measurement tool designed to verify correct firing pin protrusion on AR-15 and M16 platforms. It allows armorers and builders to ensure the firing pin extends to the proper spec, helping prevent misfires or slam fires caused by improper protrusion depth.
Specifications
ManufacturerBrownells
Product TypeFiring Pin Protrusion Gauge
Weight0.1 lb
Shipping & FFL
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