How to Install or Remove any Mil Spec Type Trigger

Published on April 5, 2023
Duration: 11:09

This comprehensive guide from 1st Shot Tactical details the step-by-step process for installing and removing standard Mil-spec triggers in an AR-15 lower receiver. Brian, demonstrating high authority and expertise, covers component assembly, pin insertion, and essential safety checks. The video is ideal for amateur gunsmiths looking to perform this common maintenance task themselves, emphasizing methodical execution and correct terminology.

Quick Summary

This guide details installing and removing Mil-spec AR-15 triggers. Key steps include using a punch for component alignment, inserting trigger and hammer pins, and installing the safety selector and grip. A crucial safety check verifies function on 'Safe' and 'Fire' with proper reset. Tools required are a punch and screwdriver.

Chapters

  1. 00:00Introduction to Mil-Spec Triggers
  2. 00:42Preparation and Tools
  3. 01:14Trigger and Disconnector Installation
  4. 02:59Inserting the Trigger Pin
  5. 04:04Safety Selector and Grip Installation
  6. 05:38Hammer Installation
  7. 07:38Function Check
  8. 08:11Trigger Removal

Frequently Asked Questions

What tools are needed to install or remove a Mil-spec AR-15 trigger?

You will primarily need a punch tool for aligning trigger and hammer holes during pin insertion. A screwdriver is also necessary for securing the pistol grip, as observed with a Craftsman branded tool in the video.

What is the first step in removing a Mil-spec AR-15 trigger?

Before removing the trigger pin, you must first remove the pistol grip and the safety selector assembly. This provides access to the hammer and trigger pins.

Why is a safety check crucial after installing an AR-15 trigger?

A safety check ensures the firearm is safe to operate. It verifies that the trigger cannot be fired when the selector is on 'Safe' and that the trigger resets correctly when cycled to 'Fire'.

Can I use drop-in triggers instead of Mil-spec triggers for my AR-15?

Yes, drop-in triggers are an alternative, but this guide specifically focuses on the installation and removal of standard Mil-spec triggers, which are more traditional and often require more precise assembly.

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