AR15 EOTech EXPS and G33 Magnifier Review

Published on October 28, 2013
Duration: 2:54

This guide details the installation and zeroing process for the EOTech EXPS red dot sight and G33 magnifier on an AR-15 platform. It emphasizes proper mounting techniques to maintain zero and provides recommendations for zeroing distances based on reticle type. The instruction comes from an expert with extensive field experience and comparative knowledge of firearm optics.

Quick Summary

The EOTech EXPS red dot sight and G33 magnifier combo for AR-15s weighs around 24 oz and costs over $1,000 MSRP. It uses a CR123 battery for ~600 hours of life. Recommended zeroing is 200 yards for standard reticles and 300 yards for BDC reticles. Proper mounting involves pressing down and forward on the rail.

Chapters

  1. 00:00Introduction & Comparisons
  2. 00:44Mounting & Riser Advice
  3. 01:10Reticle & Zeroing Strategy
  4. 01:30Battery & G33 Magnifier Review
  5. 01:59Drawbacks: Weight & Price

Frequently Asked Questions

How do you properly mount an EOTech EXPS optic to prevent zero shift?

To prevent zero shift when mounting an EOTech EXPS, ensure you press down firmly and push forward against the Picatinny rail before tightening the mounting mechanism. This technique helps seat the optic securely and maintain its zero.

What is the recommended zeroing distance for EOTech reticles on an AR-15?

For standard EOTech reticles, a 200-yard zero is generally recommended. If using a Bullet Drop Compensating (BDC) reticle, such as on the EXPS3-4 or 557 models, a 300-yard zero is advised for better accuracy at longer distances.

What are the main disadvantages of the EOTech EXPS and G33 magnifier combo?

The primary drawbacks of the EOTech EXPS and G33 magnifier combination are its significant combined weight, approximately 24 ounces, and its high price point, often exceeding $1,000 MSRP. This makes it a substantial investment.

How long does the battery last in an EOTech EXPS sight?

The EOTech EXPS sight is powered by a single CR123 battery, which provides approximately 600 hours of operational life when set to a medium brightness level, such as level 12.

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