Magpul x Maztech - X4-LRF Quickstart

Published on June 17, 2025
Duration: 12:14

This quickstart guide from Magpul and Maztech covers the essential installation and setup of the X4-LRF laser rangefinder. It details battery installation and charging, compass calibration, understanding the various mode knob functions and button controls, and proper mounting procedures. Crucially, it provides a step-by-step process for aligning the LRF with your scope to ensure accurate distance measurements across all ranges.

Quick Summary

To align the Magpul X4-LRF with your scope, ensure the laser remains parallel to the scope's center line at all distances. Use the provided alignment target, aiming your optic reticle at point A and adjusting the LRF's laser to the corresponding alignment point (B, C, or custom Z).

Chapters

  1. 00:00Introduction & Safety
  2. 00:39Battery Installation & Charging
  3. 01:32Powering On & Battery Type Selection
  4. 01:58Compass Calibration
  5. 02:50Basic Controls & Functions
  6. 03:00Mode Knob Explained
  7. 04:34Top Control Buttons
  8. 05:21LED Status Indicator & Display
  9. 06:00Display Sleep & Auto-Off
  10. 06:29Mounting Configurations
  11. 06:56Picatinny Rail Installation
  12. 07:15Low-Profile Remote Installation
  13. 08:11Aligning LRF with Scope
  14. 09:36Custom Alignment Setup
  15. 10:34LRF Alignment Procedure
  16. 11:38Weapon & Ammunition Profile Setup
  17. 12:03Conclusion & Further Resources

Frequently Asked Questions

How do I install the battery in the Magpul X4-LRF?

Ensure the mode knob is off. Unscrew the battery cap on the left side, then insert the CR123 battery observing correct polarity. For longer life, use a lithium CR123 battery.

What is the correct procedure for calibrating the compass on the X4-LRF?

Point the system straight up for 2 seconds, then straight down for 2 seconds. Next, rotate the system 360 degrees horizontally. Successful calibration is indicated by a compass heading in degrees.

How do I align the Magpul X4-LRF with my scope?

Align the laser parallel to your scope's center line at all distances. Use the alignment target, aiming your optic reticle at point A and adjusting the LRF's laser to point B, C, or a custom point Z.

What are the different modes on the X4-LRF mode knob?

Modes include Off (O), Visible Low (VL), Visible High (VH), Range (R), Program (P), Aim Low (AL), Dual Low (DL), Aim High (AH), Illuminator High (IH), and Dual High (DH).

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