Optics ready plates for Sig P320 M18

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Optics ready plates for Sig P320 M18

(7 products)

The Sig P320 M18 brings duty-ready performance in a compact frame—built with optics use in mind. While it's optics-ready from the factory, you’ll need the correct adapter plate to mount your red dot securely and accurately.

This category features optics ready plates made specifically for the Sig P320 M18. Each plate is CNC-machined to tight tolerances, ensuring a precise and stable fit between your slide and optic.

Whether you're using a Trijicon, Holosun, Leupold, Shield, or another brand, our adapter plates are tailored to the correct footprint for dependable performance.

Plates available for leading red dot footprints

We offer mounting plates compatible with all major red dot standards, including:

  • Trijicon RMR / SRO
  • Leupold DeltaPoint Pro
  • Shield RMSc 
  • Holosun K-Series
  • Docter / Noblex / Vortex Venom
  • Aimpoint Acro
  • C-More RTS

Designed for the Sig P320 M18 Optics Ready platform

Each adapter plate in this category is specifically designed for the Sig P320 M18 OR slide. Choose from slim-profile options for co-witnessing or plates with integrated backup sights for added utility.

Looking for a plate for a different Sig model? Explore our full range of Sig Sauer optics ready plates here.

Need help picking the right adapter plate?

Not sure which plate fits your optic or Sig P320 M18 slide? Contact us—we’re happy to help you find the right match for your setup.

Compatibility

Which red dot sights can I mount with your plates?

Based on the selected red dot plate, you will be able to mount following red dots:

Trijicon RMR standard

Vortex Venom standard

C-More RTS standard

  • Benthley TSX6,
  • C-More RTS 2,
  • C-More STS 2,
  • C-More RTS 3,
  • C-More STS 3,
  • Delta Optical MiniDot HD 24,
  • Delta Optical Stryker,
  • Kahles Helia RD,
  • Kite Optics,
  • Kite Optics K1,
  • Sig Romeo 3,
  • Vector Optics Frenzy 1x26x32,
  • Vector Optics Frenzy Plus 1x22x32,
  • Vortex Razor

Aimpoint Acro standard

  • Aimpoint Acro C-1,
  • Aimpoint Acro C-2,
  • Aimpoint Acro P-1,
  • Aimpoint Acro P-2,
  • Steiner MPS,
  • Vector Optics Frenzy Plus 1x18x20

To which models can I install these plates?

Based on the selected red dot plate, you will be able to install it to the following models:

  • Sig P320 X5 Legion
  • Sig P320 M17
  • Sig P320 M18

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