M16A2 - Improved Battlesight Zero

Published on September 13, 2023
Duration: 6:08

This guide details an advanced technique for achieving an improved battlesight zero on the M16A2 rifle, as demonstrated by an expert firearms instructor. The method allows for a 50/200 yard zero while retaining the ability to dial for known distances, enhancing the rifle's versatility. It involves a specific adjustment of the rear sight's elevation drum using a small Allen wrench and an elevation tool.

Quick Summary

An improved battlesight zero for the M16A2 rifle establishes a 50/200 yard zero while preserving the ability to dial for longer known distances. This technique involves adjusting the rear sight's elevation drum using a 1/16th Allen wrench and an elevation tool for the front sight.

Chapters

  1. 00:04M16A2 Introduction & Traditional Use
  2. 00:57Combat Limitations of Traditional Zero
  3. 01:41Standard 50/200 Yard Zero Explained
  4. 02:53Improved Battlesight Zero Technique Overview
  5. 03:34Adjusting the Rear Sight Set Screw
  6. 03:51Modifying the Elevation Drum
  7. 04:34Setting the 50/200 Yard Zero
  8. 05:06Achieving Dual-Purpose Zero

Frequently Asked Questions

What is an improved battlesight zero for the M16A2?

An improved battlesight zero for the M16A2 is a technique that establishes a 50/200 yard zero while retaining the ability to dial the rear sight for known distances like 300, 400, or 500 yards, enhancing its combat versatility.

How do you adjust the M16A2 rear sight for an improved zero?

The process involves loosening a set screw on the rear sight, adjusting the elevation drum upwards by four clicks, re-tightening the screw, and then setting the 50-yard zero by dialing down two clicks and adjusting the front sight.

Why is a standard 50/200 yard zero beneficial for combat?

A 50/200 yard zero for 5.56mm ammunition allows for 'minute of man' accuracy out to approximately 300 yards without needing to hold over or under, making it effective for common combat engagement distances.

What tools are needed to perform the M16A2 improved battlesight zero?

You will need a 1/16th Allen wrench to adjust the rear sight's set screw and an M16A2 elevation tool to adjust the front sight post for zeroing at 50 yards.

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