Colt M16/M4/AR15 Firing Pin

5
Spare/Replacement Firing Pin

Posted by Thomas J. on 9th Sep 2026

Bought a few of these. Don’t think you can go wrong with Colt AR parts and AU is THE best place for them. Pick up one or five of them and keep one in the range bag JIC.
5
Colt firing pin

Posted by Thibodeau Steven on 28th Jan 2024

Colt firing pin. None better
5
Great Colt quality at a good price

Posted by Matthew Karls on 20th Jan 2024

Works perfectly as a high quality Colt part.
5
M16 firing pin

Posted by Bob on 5th Oct 2023

Great product shipped fast.
5
Firing pin

Posted by Poopeye on 23rd Dec 2022

Colt , fot great.
5
FAST AND AMAZING

Posted by Unknown on 24th Jun 2022

I love it, it shipped fast and fit perfectly
5
Pony pin

Posted by Texas Rex on 16th Mar 2022

You can tell because of the way it is
5
Great Product

Posted by AHOLEGUNNER on 6th Feb 2022

Cant gi wrkng with this firing pin. It has an amazing finish. Its a shame COLT is going downhill, nonetheless, this firing pin is perfect.
5
AR15 Firing Pin

Posted by Omar Maya on 4th Dec 2021

Delivered expedidoustly. Quality Product. Great addition to my gear.
5
beauty, and value.

Posted by pete on 15th Aug 2021

mil-spec parts, chromed steel. pure colt!

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