Colt M16/M4/AR15 Firing Pin

(21 reviews)
Current Stock:
Adding to cart… The item has been added

Factory Colt M16/M4/AR15 firing pin


  • 5
    Firing pin

    Posted by Poopeye on 23rd Dec 2022

    Colt , fot great.

  • 5

    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!

  • 5
    True colt product

    Posted by D Han on 31st Jul 2021

    I can trust that AU has the genuine Colt parts for good price

  • 5
    Firing pin

    Posted by Israel Salas on 17th Jun 2021

    The firing pin is an awsome upgrade 300 rounds so far no problem. By the way their shipping and processing is the best ive seen from s online gun shop and they are fast to ship out!

  • 5
    Ar 15 firing pins. spares

    Posted by Unknown on 17th May 2021

    Only ones I could find available anywhere packed into range/woods spares trouble pack