Mounting ROMEOZero to P365

Published on January 27, 2022
Duration: 3:26

This guide details the expert-level installation of a ROMEOZero optic onto a SIG Sauer P365 pistol, as demonstrated by John Nichols from SIG Sauer Electro-Optics. It covers crucial steps like slide preparation, shield installation, battery insertion, correct screw selection (M3 for P365), and precise torquing procedures to ensure proper optic mounting and alignment. Following these instructions ensures a secure and reliable optic installation for your P365.

Quick Summary

To mount a ROMEOZero optic on a SIG Sauer P365, first clean the slide's optics cut with isopropyl alcohol. Apply the 3M sticky shield, insert the 1632 battery, and place the optic. Use the M3 screws provided and torque them to approximately 9 inch-pounds, ensuring forward pressure is applied before final tightening.

Chapters

  1. 00:00Introduction to ROMEOZero Mounting
  2. 00:17Slide Preparation
  3. 00:40Shield Installation
  4. 01:15Battery and Shroud Installation
  5. 01:33Optic Placement and Screw Selection
  6. 01:59Screw Installation and Torque
  7. 02:31Torquing Procedure
  8. 03:06Final Torque and Zeroing
  9. 03:22Further Information

Frequently Asked Questions

How do I prepare my SIG Sauer P365 slide for optic mounting?

First, remove the sight plate. Then, thoroughly clean the optics cut area and mounting screw holes using isopropyl alcohol on a cotton swab to eliminate any oil or debris, ensuring a clean surface for installation.

What screws should I use to mount a ROMEOZero on a SIG Sauer P365?

For a SIG Sauer P365 optics-ready pistol, you must use the M3 mounting screws. The P365 slide is specifically threaded for M3 screws, not the M4 screws which are intended for other competitor pistols.

What is the recommended torque for mounting a ROMEOZero on a P365?

The recommended torque for mounting the ROMEOZero optic on a P365 is approximately 9 inch-pounds. Alternatively, follow the guideline of turning the screws an additional three-quarters of a turn after they feel tight, while applying forward pressure.

Why is the 3M sticky shield important when mounting an optic?

The 3M sticky shield is crucial as it protects the optic from hot gases and debris that might vent through the dedicated hole in the P365 optics-ready slide, preventing damage to the optic.

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