Primary Arms SLx 1X MicroPrism

Published on January 6, 2022
Duration: 11:59

This review of the Primary Arms SLx 1X MicroPrism highlights its advantages over traditional red dots, particularly its always-visible etched reticle and focusable diopter. Expert Russell Fagan demonstrates its versatility on both rifles and shotguns, emphasizing its ACSS reticle for range estimation and BDC capabilities. The optic's robust construction, multiple mounting options, and daylight-bright illumination make it a compelling choice for competitive shooters and general use, especially given its $250 MSRP.

Quick Summary

The Primary Arms SLx 1X MicroPrism offers a significant advantage with its etched reticle, ensuring visibility even without battery power. It features an ACSS reticle for range estimation and BDC, a focusable diopter, and multiple mounting options compatible with the Trijicon ACOG Mini footprint, making it versatile for rifles and shotguns.

Chapters

  1. 00:04Introduction & Disclosure
  2. 00:19Prism vs. Red Dot Optics
  3. 00:41Etched Reticle Benefit
  4. 01:30Mounting Options & Compatibility
  5. 02:30Adjustments & Illumination
  6. 03:23Battery Life & Reticle Details
  7. 04:17Shotgun Use & Zeroing
  8. 04:49Competitive Shotgun Performance
  9. 05:52Shotgun Match Results
  10. 06:06Rifle Setup & Features
  11. 06:32Rifle Competition Context
  12. 07:16Rifle Performance & Zeroing
  13. 08:47Rainy Conditions & Illumination Choice
  14. 09:58Rifle Match Results & Conclusion

Frequently Asked Questions

What are the main advantages of a prism sight like the Primary Arms SLx 1X MicroPrism over a red dot sight?

The primary advantage of prism sights is their etched reticle, which remains visible even without battery power, appearing black. This contrasts with red dots, where the reticle disappears if the battery dies. Prism sights can also be focused to the user's vision, potentially eliminating the need for glasses.

How does the ACSS reticle on the Primary Arms SLx 1X MicroPrism aid in shooting?

The ACSS reticle features a chevron and horseshoe design that provides range-finding capabilities and ballistic drop compensation (BDC) holdover points. This allows for precise aiming at various distances without manual adjustments, making it effective for calibers like 5.56mm out to 400 yards.

What mounting options are available for the Primary Arms SLx 1X MicroPrism?

The SLx MicroPrism uses the Trijicon ACOG Mini footprint and comes with eight potential mounting solutions. These include various spacers and cantilevers to adjust height and eye relief, accommodating different firearm platforms like AR-15s and BRN-180 uppers.

Can the Primary Arms SLx 1X MicroPrism be used on a shotgun?

Yes, the optic is effective on shotguns. For 12 gauge shotguns, the horseshoe reticle can approximate the pattern of 00 buckshot at 25 yards, aiding in shot placement. A 25-yard zero is often recommended for this application.

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