SIG SAUER P320-XFIVE LEGION

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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

P320-XFIVE LEGION · XFIVE LEGION

Mounting details

MIL-STD-1913 Picatinny

Compatibility records

119

Lights & rail fitment

Lights & Lasers

63 listed

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Grip & magwells

Magwells

2 listed

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Extended Magazine Releases

1 listed

Armory Craft
Extended Magazine Release Button: P250 / P320
Manufacturer documented

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Base Pads

12 listed

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Magazines

4 listed

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Sights

18 listed

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Triggers & internals

Triggers

9 listed

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Takedown levers

1 listed

GoGun USA
Gas Pedal Assist - Thumb Rest for Sig P320 X5, X10, M17, M18, AXG, P250 (All Generations)
Manufacturer documented

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Recoil Springs

3 listed

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Barrels & comps

Barrels

2 listed

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Compensators

2 listed

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Also on this pistol

Holsters

2 makers

Concealment Expresschecked 2026-11-01
Tier 1 Concealedchecked 2026-11-01

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

Holster makers (2)

Optics & footprint adapters

Optic Plates

1 listed

Shield Sights
SIG P320X Optics Ready RMS/SMS Mount
Manufacturer documented

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Slides

1 listed

Armory Craft
Sig Sauer P320 X-Five/X5 Armory Craft Slide
Manufacturer documented

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Categories with no listings (4)

About the SIG SAUER P320-XFIVE LEGION

Type: Pistol
Manufacturer: SIG SAUER
Model & version: P320-XFIVE LEGION · XFIVE LEGION
Mounting details: MIL-STD-1913 Picatinny
Weight: 43.5 oz
Barrel length: 5"

Lights & Lasers

EPL Duty (Black)

P.ID

APLc (Universal)

PL350G3 OKWv2 Light Package

Magwells

P320 X-Universal 10-30 Magwell

Sig Sauer P320 Magwell for X5 and X-Carry Grip modules

Extended Magazine Releases

Extended Magazine Release Button: P250 / P320

Base Pads

SIG P320 / P385 / P211 GTO 9mm / 40 S&W, PLUS-0 Base Pads

PRO Series Base Pad for Sig Sauer P320 X5 / X-Series

Sig Sauer P320 | P211 | P385 Magazine Base Pads Aluminum +0

NDZ Magazine Floor Base Plate for Sig Sauer P320 P250 9mm .357 .40 Cerakote Burnt Bronze

Magazines

A2-320 17-Round

P211/P320 FULL/CARRY 9MM 23RD EXTENDED MAGAZINE

P250,P320 FULL/CARRY 9MM 21RD EXTENDED MAGAZINE

P320-XFIVE LEGION 9MM 17RD MAGAZINE

Sights

Sight for Sig P320-XFIVE Legion, Fixed Co-Witness Black Rear,

MEPRO FT BULLSEYE FRONT

OPTICS READY STEALTH SERIES FOR SIG SAUER

REAR ADJUSTABLE SIGHT ASSEMBLY, P320X5

Triggers

SIG P320 COMPATIBLE DROP IN TRIGGER

P320 Adjustable Hybrid Trigger

Sig Sauer P320 Trigger Kit

TITANIUM SIG P320 COMPATIBLE DROP IN TRIGGER

Takedown levers

Gas Pedal Assist - Thumb Rest for Sig P320 X5, X10, M17, M18, AXG, P250 (All Generations)

Recoil Springs

P320 Full Size / P320 X5 & X5 Legion Solid Guide Rod & Recoil Spring Tuning Kit

Sig Sauer P320 XFIVE -Legion Version Only-

TUNGSTEN P320 Full Size / P320 X5 X5 Legion Guide Rod

Barrels

Sig Sauer P320X5 9MM Match 5"OAL

Sig Sauer P320X5 9MM Match with 1/2×28 Suppressor Threads (5.7"OAL)

Compensators

Sig Sauer Compensators - for 9mm P320 & P226, P228, P229, P225/P6

Sig Sauer P320 / P250 Compensator - 2 Port Design

Holsters

Optic Plates

SIG P320X Optics Ready RMS/SMS Mount

Slides

Sig Sauer P320 X-Five/X5 Armory Craft Slide

About the SIG SAUER P320-XFIVE LEGION