Description
It is a slender part that takes a hammer strike thousands of times, runs through a carrier full of carbon, and gets bent, battered or lost during cleaning more often than it gets inspected. It is also one of the very few components in an AR whose failure stops the rifle completely and immediately — there is no limping on with a broken firing pin.
This one is machined to the mil-spec print from 8740 steel, precision ground, properly heat treated and chrome plated. That is the whole specification, and for this part it is the right one: 8740 is a chromium-nickel-molybdenum steel chosen for strength and toughness, and chrome plating gives the pin a hard, slick surface that carbon struggles to build on inside a dirty carrier.
SKU: FPN-SOT-CHR
Full specifications, fitting notes and warnings: AR15 Firing Pin, Chrome Plated — product page.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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