SightsAmerigloSold by Brownells

Ameriglo

Ar-15 Style Tritium Front Post Mbus Pro - Tritium Front Post For Mbus Pro

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Tritium Front

Sight post for Magpul MBUS

Self-illuminating Aiming

Point for low-light use

Drop-in Replacement

For the factory front post

Same Elevation

Adjustment range as the original

Thinnest Tritium

AR-15 front post available at

$24.49
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SKU: 100027696

Overview

This tritium front sight post is designed to upgrade a Magpul MBUS Pro front sight with a self-illuminating aiming point for low-light use. It offers a clear, crisp sight picture and is intended to help you locate the front sight more quickly when conditions are demanding. As a drop-in replacement for the factory post, it preserves the same range of elevation adjustment as the original. For hunters and shooters who want a simple front-sight solution for reduced-light situations, it adds visibility without changing the basic setup.

Why Hunters Choose the Ameriglo

Drop-in Replacement

For the factory post in

Self-illuminating Tritium

Design supports low-light front sight

Clear, Crisp

A stand-out aiming point

Maintains Same

Range of elevation adjustment as

Thinnest Tritium

AR-15 front post available at

Key Features

  • Tritium front sight post for Magpul MBUS Pro front sights
  • Self-illuminating aiming point for low-light use
  • Drop-in replacement for the factory front post
  • Provides the same elevation adjustment range as the original post
  • Thinnest Tritium AR-15 front post available at .090 inches wide
  • Sturdy machined steel construction

Best Used For

  • AR-15 owners using Magpul MBUS Pro front sights for low-light target acquisition
  • Hunters needing a self-illuminating front sight for dawn, dusk, or night conditions
  • Shooters wanting a drop-in replacement that preserves original elevation adjustment range
  • Users seeking a crisp aiming point for high-stress, low-visibility situations

Pros

  • Drop-in replacement for the factory post in Magpul MBUS Pro front sights
  • Self-illuminating tritium design supports low-light front sight acquisition
  • Provides a clear, crisp sight picture with a stand-out aiming point
  • Maintains the same range of elevation adjustment as the original post
  • Thinnest tritium AR-15 front post available at .090 inches wide
  • Sturdy machined steel construction

Considerations & Trade-offs

  • Designed specifically as a drop-in replacement for the factory post in a Magpul MBUS Pro front sight, so it is not a universal front-sight solution.
  • It keeps the same elevation adjustment range as the original post, which means it adds illumination without changing the sight’s adjustment limits.
  • The .090" width is intentionally slim for a crisp aiming point, but that narrower profile may feel different from a standard non-tritium post.
  • This is a front sight post only; it enhances the front sight but does not include a complete sight set.

Suggested Comparisons

  • AR-15 front sights
  • Tritium sight inserts
  • Magpul MBUS Pro front sight accessories
  • Low-light rifle sighting solutions

Suggested Accessories

  • Front sight tool
  • Backup iron sight set
  • Protective sight cover
  • AR-15 cleaning kit

Frequently Asked Questions

What sight is this tritium front post designed to replace or fit with?

It is a drop-in replacement for the factory post in the Magpul MBUS Pro front sight.

Does this front post keep the same elevation adjustment as the original?

Yes. The product description says it provides the same range of elevation adjustment as the original post.

Is this front post intended for low-light use?

Yes. The description says it brings the benefits of a self-illuminating night sight and helps you locate the front sight quickly in low light.

What is the width of the tritium front post?

The description lists it as .090" wide.

What material is the front post made from?

The description says it is made from sturdy machined steel.