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SIG SAUER M18X

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What the compatibility labels mean
How we knowHow we check compatibility
  • Lab testedFit checked by Firearm Lab for the recorded setup.
  • Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
  • Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.

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Model details
Manufacturer
SIG SAUER
Model & version
M18X · X
Mounting details
MIL-STD-1913 Picatinny, Leupold DeltaPoint Pro, SIG SAUER P320 PRO optic cut (ROMEO1PRO / DPP pattern, P320 / M17 / M18 / AXG slides)
Compatibility records
140

Lights & rail fitment

Lights & Lasers

63 listed
View all 63 parts

Optics & footprint adapters

Optics

25 listed
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Optic Plates

20 listed
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Sights

Sights

15 listed
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Triggers & internals

Triggers

9 listed
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Grip & magwells

Base Pads

3 listed
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Magazines

5 listed
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Also on this pistol

Holsters

1 maker

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Holster makers (1)

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Categories with no listings (10)

About the SIG SAUER M18X

Type
Pistol
Manufacturer
SIG SAUER
Model & version
M18X · X
Mounting details
MIL-STD-1913 Picatinny, Leupold DeltaPoint Pro, SIG SAUER P320 PRO optic cut (ROMEO1PRO / DPP pattern, P320 / M17 / M18 / AXG slides)
Width
1.6"
Height
6.3"
Weight
30.8 oz
Barrel length
3.9"
Manufacturer item #
M18X-9-RX
Overall length
7.2"