Primary Arms GLX 2x Prism: Optimized for .300 Blackout

Published on July 31, 2023
Duration: 12:11

This guide details the installation and initial zeroing of the Primary Arms GLX 2x Prism optic, emphasizing proper mounting height, eye relief, and utilizing the ACSS reticle for .300 Blackout. It covers selecting risers, confirming illumination, and the basic steps for achieving a zero, highlighting the optic's features like AutoLive and its suitability for .300 Blackout.

Quick Summary

The Primary Arms GLX 2x Prism optic is optimized for .300 Blackout with its ACSS CQB reticle, offering BDC holds for supersonic (500 yards) and subsonic (175 yards) loads. It features a daylight-bright illumination with AutoLive motion sensing and a 20,000-hour battery life, weighing 11.0 oz with 3.5-3.7 inches of eye relief.

Chapters

  1. 00:00Introduction & GLX Line Positioning
  2. 00:55Physical Specs & Mounting Options
  3. 01:41Eye Relief & Reticle Durability
  4. 02:24Illumination & Battery Life
  5. 03:32ACSS CQB Reticle & BDC Explained
  6. 04:49Practical Performance & Magnification Trade-offs
  7. 08:00Comparisons: Trijicon & SLX 3x

Frequently Asked Questions

What makes the Primary Arms GLX 2x Prism suitable for .300 Blackout?

The GLX 2x Prism features an ACSS CQB reticle specifically calibrated for .300 Blackout, offering bullet drop compensating holds for both supersonic rounds out to 500 yards and subsonic rounds out to 175 yards.

What are the key physical specifications of the Primary Arms GLX 2x Prism?

The optic weighs 11.0 oz, has a length of 5.30 inches, and provides an eye relief of 3.5 to 3.7 inches. It includes three riser heights for customizable mounting.

How does the illumination system on the GLX 2x Prism work?

It features daylight-bright illumination with a 20,000-hour battery life on medium settings. The AutoLive motion-sensing technology conserves power by automatically activating illumination when movement is detected.

How does the GLX 2x Prism compare to other prism optics?

Compared to the Trijicon TA33 ACOG, the GLX 2x Prism offers a wider field of view. It sits between Primary Arms' SLX and PLX lines, providing a balance of quality and value.

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