Red dot mounts for Sig Sauer P227

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Red dot mounts for Sig Sauer P227

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Explore red dot mounting solutions made specifically for the Sig Sauer P227—a classic full-size .45 ACP pistol. These dovetail-mounted adapters let you equip a red dot sight without any slide cuts or permanent alterations, preserving the factory integrity of your firearm.

The P227 was not manufactured in an optics-ready variant. That’s why these mounts are designed to install in the rear sight dovetail, providing a secure platform for modern red dot sights—no gunsmithing or machining required.

Red dot mounting options for Sig Sauer P227

Whether you're setting up for home defense, duty use, or faster target acquisition at the range, these mounts allow you to modernize your P227 without modifying its classic design. Installation is fully reversible and compatible with standard factory slides.

Supports top red dot sight footprints

Our mounts are available for a variety of red dot optics, including:

  • Trijicon RMR / SRO
  • Holosun 407C / 507C / 508T
  • Leupold DeltaPoint Pro
  • Shield RMSc
  • Vortex Venom / Docter footprint
  • Aimpoint Acro
  • C-More RTS

Why add a red dot to your Sig P227?

Upgrading with a red dot can provide major advantages, such as:

  • Faster sight alignment and follow-up shots
  • Improved visibility in low-light or high-stress situations
  • No need for slide milling or permanent modifications
  • Works with industry-leading red dot optics

Bring your P227 into the modern era of pistol optics—without compromising its original structure or requiring any permanent changes.

Looking for sights for your Sig P227?

We also offer premium iron sights for Sig Sauer pistols. Whether you're replacing worn sights or upgrading for better contrast, we have options that fit your slide and shooting needs.

Compatibility

Which red dot sights can I install with these mounts?

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

Trijicon RMR standard

ADE Advanced Optics

  • ADE Advanced Optics RD3-019 Stingray
  • ADE Advanced Optics RD3-020 Raptor
  • ADE Advanced Optics RD3-023 Valkyrie

Holosun

Osight

Redwin

  • Redwin Cobra 26x22 MTR

Riton

  • Riton X3 Tactix PRD

Spina

  • Spina BAT-24

Swampfox

  • Swampfox Justice RMR 1×27
  • Swampfox Liberty RMR 1×22
  • Swampfox Kingslayer

Trijicon

  • Trijicon RMR
  • Trijicon SRO

Vector Optics

Shield RMSc standard

ADE Advanced Optics

  • ADE Advanced Optics RD3-018 Spike
  • ADE Advanced Optics RD3-021 Nuwa

Burris

  • Burris FastFire C

JPoint

  • JPoint MRD

Canik

  • MECANIK MO1

Osight

Riton

  • Riton X3 Tactix PRD

Shield

Sig

  • Sig Romeo Zero
  • Sig Romeo-X

Sightmark

Swampfox

  • Swampfox Sentinel 1×16

UTG

  • UTG OP3 Mini Micro

Vector Optics

Vortex

Holosun K-serie standard

Holosun

Docter standard

ADE Avanced Optics

  • ADE Advanced Optics RD3-006 Huracan
  • ADE Advanced Optics RD3-009 Crusader
  • ADE Advanced Optics RD3-012 Delta
  • ADE Advanced Optics RD3-013 Bertrillium
  • ADE Advanced Optics RD3-015 Zantitium

Athlon

  • Athlon Midas TSR1

Burris

  • Burris Fastfire 2
  • Burris Fastfire 3
  • Burris Fastfire 4

Leica

  • Leica Tempus
  • Leica Tempus 2

Noblex

  • Noblex NV Sight II plus
  • Noblex NV Sight III
  • Noblex NV Sight C
  • Noblex NV Sight G

MAKDot

  • MAKdot SH

MECANIK

  • MECANIK MO2

Sightmark

Springfield Armory

  • Springfield Armory Hex Dragonfly

US Optics

  • US Optics DRS 2.0
  • US Optics DRS 2.0 Enhanced

Vector Optics

Vortex

C-More RTS standard

Benthley

  • Benthley TSX6
  • Benthley A1

C-More

Delta Optical

  • Delta Optical MiniDot HD 24
  • Delta Optical Stryker

Kahles

  • Kahles Helia RD

Kite Optics

  • Kite Optics K1

Sig

  • Sig Romeo 3
  • Sig Romeo 3 Max
  • Sig Romeo 3 XL

Toni System

Vector Optics

Vortex

  • Vortex Razor

Leupold Delta Point Pro standard

Bushnell

  • Bushnell RXS-100
  • Bushnell RXS-250

Eotech

  • Eotech EFLX

Holosun

Leupold

  • Leupold Delta Point Pro

Primary Arms

  • Primary Arms GLX RS-15
  • Primary Arms GLX RS-15 ACSS Vulcan

Sig

  • Sig Romeo-X PRO
  • Sig Romeo-X PRO Enclosed

Vortex

  • Vortex Defender ST
  • Vortex Defender XL

To which models can I install these mounts?

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

Sig P220

  • Sig P220
  • Sig P220 Elite
  • Sig P220 Equinox Elite

Sig P225

Sig P226

  • Sig P226
  • Sig P226 MK25
  • Sig P226 NITRON
  • Sig P226 EQUINOX ELITE
  • Sig P226 LEGION
  • Sig P226 ELITE
  • Sig P226 SCORPION CALIFORNIA
  • Sig P226 NITRON CALIFORNIA

Sig P227

Sig P229

  • Sig P229
  • Sig P229 Elite
  • Sig P229 Elite Compact
  • Sig P229 Equinox Elite Compact
  • Sig P229 Nitron
  • Sig P229 Nitron Compact
  • Sig M11-A1 Compact

Sig P320

Sig SP2022

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