Colt M16/M4/AR15 Auto Sear Assembly

(58 reviews)
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Factory Colt automatic sear assembly for M16/M4/AR15 rifles.

Replacement parts, all NFA rules apply


  • 5

    Posted by Josue on 3rd Apr 2024

    Exelente artículo

  • 5
    Great kit

    Posted by Alexis on 10th Jul 2023

    I'm differently gonna be shopping here more and telling friends

  • 5
    Colt M16 auto sear

    Posted by Jordan McFarlin on 31st May 2023

    Perfect quality and excellent CS.

  • 5
    Colt sear

    Posted by Mark Winters on 6th Feb 2023

    Fast delivery

  • 5
    Auto zear

    Posted by Don on 25th Jan 2023

    Works like it should.

  • 4
    As described

    Posted by Happy customer on 24th Sep 2022

    Fit and function well

  • 5
    Awesome M16 Parts

    Posted by AZ Joe on 25th Apr 2022

    Genuine Colt M16 parts, can't beat them, great price for all the M16 parts as well.

  • 5

    Posted by MBHSR. on 12th Dec 2021


  • 5
    Trigger Parts

    Posted by Joseph on 28th Nov 2021

    Excellent Parts