SIG SAUER P365-XL

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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

P365-XL · XL

Mounting details

SIG P365 accessory rail, Shield RMSc

Compatibility records

192

Optics & footprint adapters

Optics

61 listed

Optic Plates

2 listed

View all 2 parts

Lights & rail fitment

Lights & Lasers

28 listed

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Sights

26 listed

View all 26 parts

Barrels & comps

Barrels

13 listed

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Compensators

8 listed

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Grip & magwells

Extended Magazine Releases

5 listed

View all 5 parts

Base Pads

8 listed

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Magazines

6 listed

View all 6 parts

Slides

13 listed

View all 13 parts

Triggers & internals

Triggers

8 listed

View all 8 parts

Takedown levers

1 listed

GoGun USA
Gas Pedal P365 for Sig Sauer P365 and Sig P365 X and XL
Manufacturer documented

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Recoil Springs

3 listed

View all 3 parts

Also on this pistol

Holsters

9 makers

Blackhawkchecked 2026-11-01
Bravo Concealmentchecked 2026-11-01
Concealment Expresschecked 2026-11-01
CrossBreed Holsterschecked 2026-11-01
DeSantis Gunhidechecked 2026-11-01
Galcochecked 2026-11-01
PHLsterchecked 2026-11-01
Safarilandchecked 2026-11-01
Vedder Holsterschecked 2026-11-01

Check each manufacturer’s options for your model, light and optic.

Holster makers (9)

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Categories with no listings (4)

About the SIG SAUER P365-XL

SIG SAUER P365-XL — 9mm with a SIG Rail, per the manufacturer product page (2026-07-31).

Type: Pistol
Manufacturer: SIG SAUER
Model & version: P365-XL · XL
Caliber: 9mm
Mounting details: SIG P365 accessory rail, Shield RMSc

Optics

FastFire C

RXC-200 Compact Reflex Sight

EDC Enclosed Red Dot Optic

RAD Micro PRO Red Dot Sight - 3 MOA

Optic Plates

NDZ Sig P365 Series Optic Cover Plate, Brass

Red Dot Mount – MRA for Sig Sauer P365XL

Lights & Lasers

TCM-365 Subcompact Weapon-Mounted Light for Sig Sauer P365-Series

FOXTROT365XR

TLR-6 (SIG P365) with red laser

XSC-365

Sights

Sight for Sig P365-XL, Fiber Optic Front,

MEPRO FT BULLSEYE FRONT

OPTICS READY STEALTH SERIES FOR SIG SAUER

P365X SIGHT PLATE ASSEMBLY WITH ATTACHED XRAY3 NIGHT SIGHT, BLACK

Barrels

FAXON DUTY SERIES THREADED BARREL FOR P365XL 9MM

P365 XL – Non-LCI - Flush & Crown – 3.7" Barrel

SIG P365XL – Threaded 1/2×28 – With Micro Carry Comp

Velocity Defense Barrel for Sig P365 St/XL

Compensators

Sig P365 Compensator - All P365 models: P365, P365 XL, P365 SAS, P365X

Faxon EXOS-525 Pistol Compensator for Sig P365/P365 XL - 9mm

HC365 Sig P365/P365X/P365XL Compensator

PMM Micro Barrel and Compensator Combo for Sig P365/365XL

Extended Magazine Releases

Extended Magazine button with Checkering - P365 XL 365X SAS XMACRO

MPI P365 Single Piece Magazine Release - Standard Frame

NDZ Sig P365 P365X P365XL Extended Magazine Release, Black

P365 EXTENDED MAGAZINE CATCH - HIGH POLISH DLC

Base Pads

Sig Sauer P365XL /365X Pinky Extension for 12rd(or 10rd restricted XL) Magazines

Base Pad for Sig Sauer P365 17 Round Magazines

Magazine Plate Finger Extension for Sig Sauer P365XL - Does Not Fit Sig P365

Sig P365XL Baseplates

Magazines

P365 9MM 21RD MAGAZINE

P365 9MM 25RD MAGAZINE

P365/X/XL 9MM 10RD MAGAZINE

P365/X/XL 9MM 12RD MAGAZINE

Slides

P365 COMP Slide - FUSE/XMacro/Spectre - RMSc Cut (for 365XL barrel)

HOLOSUN 507K CUT SLIDE FOR SIG P365XL

Velocity Defense V1 Slide for Sig P365 St/XL

NDZ A.r.e.s. Slide Upgrade for Sig Sauer P365XL with RMSC Cut in Black Nitride

Triggers

Sig P365 Adjustable FLAT Trigger P365 XMACRO P365XL SAS P365X FUSE SPECTRE ROSE

P365 Adjustable Hybrid Trigger

Sig Sauer P365 Short Stroke Flat Trigger Upgrade

Sig Sauer P365 TAC Trigger

Takedown levers

Gas Pedal P365 for Sig Sauer P365 and Sig P365 X and XL

Recoil Springs

Sig Sauer P365XL OEM Recoil Spring Assembly

Sig Sauer P365XL 3.7" Barrel

SIG Sauer P365XL, P365 XMACRO and P365 SPECTRE - Recoil Tuning Kit

Holsters

About the SIG SAUER P365-XL