Dropping the P320 (Title)

Published on April 1, 2025
Duration: 1:17

This guide details how to identify updated Sig Sauer M17 and M18 handguns based on slide markings and optic cut specifications. Instruction from a professional firearm retailer highlights the removal of the 'P320' marking on newer slides and the specific M17 enclosed optic footprint. This information is crucial for users ensuring compatibility with aftermarket optics.

Quick Summary

New Sig Sauer M17 and M18 handgun SKUs have been released with updated slide markings, removing the 'P320' designation for 'Sig Sauer M17' or 'Sig Sauer M18'. Crucially, the slide's optic cut is now specifically designed for Sig's fully enclosed M17 optic, differing from older models compatible with RMR or DeltaPoint Pro footprints.

Chapters

  1. 00:00New M17 and M18 SKUs Announced
  2. 00:20Slide Marking Changes Explained
  3. 00:39Optic Footprint Update Detailed

Frequently Asked Questions

What are the key differences in the new Sig Sauer M17/M18 SKUs?

The most noticeable changes in the new Sig Sauer M17 and M18 SKUs are the removal of the 'P320' marking from the slide, now only showing 'Sig Sauer M17' or 'M18', and the slide's optic cut is specifically for Sig's fully enclosed M17 optic.

Are the new Sig Sauer M17/M18 optic cuts compatible with RMR or DeltaPoint Pro?

No, the latest Sig Sauer M17 and M18 handgun SKUs feature a slide cut exclusively for Sig's fully enclosed M17 optic. Previous models were cut for RMR or DeltaPoint Pro footprints, so compatibility is not universal.

How can I identify an updated Sig Sauer M17 or M18 handgun?

To identify an updated Sig Sauer M17 or M18, check the slide markings; newer models will only say 'Sig Sauer M17' or 'Sig Sauer M18' and lack the 'P320' designation. Also, examine the optic cut, as new versions are specific to the Sig M17 enclosed optic.

What technical specifications are mentioned for the new Sig Sauer M17?

The new Sig Sauer M17 (New SKU) is noted to have a Coyote Tan slide finish, a polymer frame, and a slide cut specifically for the Sig M17 Enclosed Optic Footprint, chambered in 9mm.

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