SIG SAUER P365

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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

Mounting details

SIG P365 accessory rail, Shield RMSc

Compatibility records

231

Optics & footprint adapters

Optics

60 listed

Optic Plates

2 listed

View all 2 parts

Sights

36 listed

View all 36 parts

Lights & rail fitment

Lights & Lasers

31 listed

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Barrels & comps

Barrels

21 listed

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Compensators

8 listed

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Grip & magwells

Extended Magazine Releases

9 listed

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Base Pads

5 listed

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Magazines

10 listed

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Slides

23 listed

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Triggers & internals

Triggers

8 listed

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Takedown levers

4 listed

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Recoil Springs

4 listed

View all 4 parts

Also on this pistol

Holsters

13 makers

ANR Designchecked 2026-07-30
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
Tenicorchecked 2026-11-01
Tier 1 Concealedchecked 2026-11-01
Vedder Holsterschecked 2026-11-01
We The People Holsterschecked 2026-11-01

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

Holster makers (13)

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Categories with no listings (4)

About the SIG SAUER P365

Type: Pistol
Manufacturer: SIG SAUER
Model & version: P365
Caliber: 9mm
Mounting details: SIG P365 accessory rail, Shield RMSc
Width: 1"
Height: 4.3"
Weight: 17.8 oz
Barrel length: 3.1"
Overall length: 5.8"

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 P365

Sights

Pistol Sights for Sig Sauer P365

Sight for Sig P365, Black Front,

MEPRO FT BULLSEYE FRONT

OPTICS READY STEALTH SERIES FOR SIG SAUER

Lights & Lasers

LTG-772 Lightguard for Sig Sauer P365

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

FOXTROT365XR

TLR-6 (SIG P365) with red laser

Barrels

MID LINE MATCH GRADE DROP-IN BARREL (COMPATIBLE WITH P365)

FAXON DUTY SERIES BARREL FOR P365 9MM

P365 – Non-LCI - Flush & Crown – 3.1" Barrel

GGP365 Match Grade Barrel

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

OFFSET P365 Micro Extended Magazine Release

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

Sig Sauer P365 Extended Magazine Release

MPI P365 Single Piece Magazine Release - Standard Frame

Base Pads

Base Pad for Sig Sauer P365 17 Round Magazines

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

MTX 365 9mm +0 Grip Extension for P365

Slim Carry Magazine Plate for Sig Sauer P365, P365 XL, P365 SAS

Magazines

AMAG 10 SG9 – Sig P365

P365 9MM 10RD FINGER EXTENSION MAGAZINE

AMAG 12 SG9 – Sig P365

P365 9MM 21RD MAGAZINE

Slides

IRON SIGHT SLIDES FOR SIG P365

GGP365 Slides

Velocity Defense V1 Slide for Sig P365 St/XL

NDZ A.r.e.s. Slide Upgrade for Sig Sauer P365 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

P365 Thumb Rest / Extended Takedown Lever - Notched - Align Tactical

Sig Sauer P365 - Enhanced Takedown Lever

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

P365 Thumb Rest Takedown Lever

Recoil Springs

SIG Sauer P365 / P365X - Recoil Tuning Kit

Sig P365 & P365X Micro-Compact 3.1" Barrel

Sig Sauer P365 / P365X Factory OEM Replacement Recoil Spring Assembly

SIG SAUER P365 3.1" - SOFT VERSION For Comps & Silencers Mods

Holsters

About the SIG SAUER P365