Agency Arms
SIG SAUER P365 Barrels
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Manufacturer
SIG SAUER
Model & version
P365
Mounting details
SIG P365 accessory rail, Shield RMSc
Parts listed
21 total
SIG SAUER P365Barrels
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
Agency Arms1
Based on manufacturer information — Oct 2026.
Faxon Firearms4
FAXON DUTY SERIES BARREL FOR P365 9MM
Part no. 365A910NFNOQ-NFaxon Match Series Fluted Barrel for P365 9mm
Faxon Match Series Fluted Threaded Barrel for P365 9mm
Website EXCLUSIVE: Faxon Match Series Non-Fluted Barrel for P365 9mm - Stainless Steel PVD
FDEZ Werx2
P365 – Non-LCI - Flush & Crown – 3.1" Barrel
Part no. 365-BARREL-3.1P365 – Non-LCI - Ported – 3.1" Barrel
Part no. 365-BARREL-3.1-PORT
Grey Ghost Precision1
GGP365 Match Grade Barrel
Griffin Armament1
SIG P365 – Threaded 1/2×28 – With Micro Carry Comp
Part no. GAP365TB
Killer Innovations1
Velocity Defense Barrel for Sig P365 St/XL
NDZ Performance1
NDZ Sig Sauer P365, P365 X Macro Barrel 3.1"
NineX191
Match V2 Barrel for SIG P365
ShaloTek2
P365 3.1" 9 Spiral Fluted - Black Nitrided W/NLCI
P365 3.1" Plain - Black Nitrided W/NLCI
SIG SAUER1
P365, P365X, P365-XMACRO 9MM, BARREL, LCI, 3.1"
Part no. BBL-365-9
SilencerCo1
Threaded Barrel — Sig P365
Tactical Kinetics1
Sig Sauer (Compatible) P365 Non-Threaded Barrel
Part no. TK3065-SS
True Precision2
Sig P365 1/2x28 Threaded Barrels for 3.1" 9mm Pistols
Part no. P365 ThreadedSig P365 Non-Threaded Barrels for 3.1" 9mm Pistols.
Part no. P365 Non-Threaded
Zaffiri Precision2
Flush and Crown Barrel for Sig Sauer P365
Threaded Barrel for Sig Sauer P365