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Q&A for FailZero Fail EXO Firing Pin — 5 Questions & 3 Answers

Name FailZero Fail EXO Firing Pin
$12.00 $11.99
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Q
Lorenzo, guest, from IL, United States, asked on September 01, 2020

Does the firing pin include the retaining pin

Expert Answer
A
Answered by Kurt Colbourne, Gear Expert, from IL, United States, on October 22, 2021

Yes, it does.

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Q
M, member, from CA, United States, asked on July 17, 2020

Is this for 556 or 308?

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A
Answered by Kurt Colbourne, Gear Expert, from IL, United States, on October 22, 2021

This is a 5.56 AR-15 firing pin.

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M, member, from CA, United States, asked on July 05, 2020

What caliber is this for?

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A
Answered by Kurt Colbourne, Gear Expert, from IL, United States, on October 22, 2021

This firing pin will work with 5.56, .223, 300 AAC, and 350 Legend.

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Q
DJ, member, from MO, United States, asked on May 11, 2025

What steel is the firing pin?

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Q
Dalton, guest, from KY, United States, asked on April 28, 2025

Will this fit in a Anderson am15 556/22.3

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Last updated 2025-11-12 UTC.