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SIG SAUER P365-AXG LEGION
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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.
Check your exact model and part before ordering. Fitment limits
Model details
Manufacturer
SIG SAUER
Model & version
P365-AXG LEGION · AXG LEGION
Mounting details
MIL-STD-1913 Picatinny
Compatibility records
107
Lights & rail fitment
Sights
Sights
14 listed- Night Fision
OPTICS READY STEALTH SERIES FOR SIG SAUER
Manufacturer documented - SIG SAUER
P365X SIGHT PLATE ASSEMBLY WITH ATTACHED XRAY3 NIGHT SIGHT, BLACK
Manufacturer documented - Night Fision
SUPPRESSOR HEIGHT SIGHTS FOR SIG SAUER
Manufacturer documented - SIG SAUER
X-RAY3 Day/Night Sights
Manufacturer documented
Grip & magwells
Magwells
1 listedExtended Magazine Releases
2 listed- Armory Craft
Extended Magazine button with Checkering - P365 XL 365X SAS XMACRO
Manufacturer documented - Maskas Precision Industries
MPI P365 Single Piece Magazine Release - Standard Frame
Manufacturer documented
Base Pads
3 listed- Armory Craft
Sig Sauer P365XL /365X Pinky Extension for 12rd(or 10rd restricted XL) Magazines
Manufacturer documented - Henning Group
Base Pad for Sig Sauer P365 17 Round Magazines
Manufacturer documented - Patriot CNC
Sig P365XL Baseplates
Manufacturer documented
Magazines
3 listed- SIG SAUER
P365 9MM 21RD MAGAZINE
Manufacturer documented - SIG SAUER
P365 9MM 25RD MAGAZINE
Manufacturer documented - SIG SAUER
P365/X/XL/XMACRO 9MM 17RD MAGAZINE
Manufacturer documented
Triggers & internals
Triggers
5 listed- Grayguns
P365 Adjustable Hybrid Trigger
Manufacturer documented - M*CARBO
Sig Sauer P365 Short Stroke Flat Trigger Upgrade
Manufacturer documented - Overwatch Precision
Sig Sauer P365 TAC Trigger
Part no. 10322Manufacturer documented - Tactical Triggers
Sig Sauer P365 Trigger Kit
Manufacturer documented
Barrels & comps
Barrels
4 listed- FDEZ Werx
P365 XL – Non-LCI - Flush & Crown – 3.7" Barrel
Part no. 365-BARREL-3.7Manufacturer documented - ShaloTek
P365XL 3.7" 9 Spiral Fluted - Black Nitrided W/NLCI
Manufacturer documented - Tactical Kinetics
Sig Sauer (Compatible) P365 XL Non-Threaded Barrel; Stainless
Part no. TK3069-SSManufacturer documented - ShaloTek
P365XL 3.7" Plain - Black Nitrided W/NLCI
Manufacturer documented
Also on this pistol
Holsters
4 makers- Concealment Expresschecked 2026-11-01
- Galcochecked 2026-11-01
- Tenicorchecked 2026-11-01
- Vedder Holsterschecked 2026-11-01
Check each manufacturer’s options for your model, light and optic.
Optics & footprint adapters
Categories with no listings (8)
About the SIG SAUER P365-AXG LEGION
- Type
- Pistol
- Manufacturer
- SIG SAUER
- Model & version
- P365-AXG LEGION · AXG LEGION
- Caliber
- 9mm
- Mounting details
- MIL-STD-1913 Picatinny
- Width
- 1.4"
- Height
- 5.8"
- Weight
- 27 oz
- Barrel length
- 3.1"
- Manufacturer item #
- 365AXGCA-9-LEGION-RXX
- Overall length
- 6.6"