How To Zero AR-15 Iron Sights (HD)

Published on September 1, 2013
Duration: 6:16

This guide demonstrates how to zero AR-15 iron sights using a 25-meter target. It covers proper shooting positions, analyzing shot groups, and making precise adjustments to both the front and rear sights. The video also discusses different zero distance philosophies, with the host preferring a 50-meter zero for flatter trajectory.

Quick Summary

To zero AR-15 iron sights, use a 25-meter target and a stable prone position. Adjust front sight elevation clockwise to move impact up. For windage on Magpul MBUS, follow the sight's directional arrows. A 50-meter zero offers a flatter trajectory for longer ranges.

Chapters

  1. 00:00Introduction & Topic
  2. 00:20Equipment & Target Setup
  3. 01:00Prone Shooting Position
  4. 02:25Analyzing Initial Group
  5. 02:52Front Sight Elevation Adjustment
  6. 03:24Rear Sight Windage Adjustment
  7. 04:12Final Zero Confirmation
  8. 04:50Zero Distance Discussion

Frequently Asked Questions

How do you adjust the front sight post for elevation on an AR-15?

To adjust the front sight post for elevation on an AR-15's A2 sight, use a dedicated tool. To move your point of impact higher on the target, you need to turn the front sight post clockwise, which effectively lowers the post itself.

What is the correct way to use a shooting bag when zeroing a rifle?

When using a shooting bag as a rest, it's crucial to place the rifle's handguard on the bag, not the barrel. Resting the barrel can cause it to flex or heat unevenly, leading to inconsistent shots and affecting your zero.

How do you adjust the windage on Magpul MBUS rear sights for an AR-15?

To adjust the windage on Magpul MBUS rear sights, look for the directional arrows on the sight itself. Follow these arrows to move your point of impact left or right. For example, to move impact left, you'll adjust the sight in the direction indicated for leftward movement.

What is a common zero distance for AR-15s, and what are the benefits of other distances?

A 25-meter zero is commonly used and demonstrated here. However, many prefer a 50-meter zero because it provides a flatter trajectory, meaning fewer hold-overs are needed for targets out to approximately 250 meters.

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