SIG SAUER P320

Explore parts, discover makers and check what fits your model.

Browse parts

105 documented listings113 fit unconfirmedBrowse categories ↓

Only you can see your saved models.

Ask about a part →Showcase your build →

Choose a part to see sources and fitment details.

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

SIG 320C PF320PTEX™

Mounting details

MIL-STD-1913 Picatinny, Leupold DeltaPoint Pro, SIG SAUER P320 PRO optic cut (ROMEO1PRO / DPP pattern, P320 / M17 / M18 / AXG slides)

Compatibility records

218

Lights & rail fitment

Lights & Lasers

63 listed

View all 63 parts

Optics & footprint adapters

Optics

25 listed

View all 25 parts

Optic Plates

26 listed

View all 26 parts

Sights

50 listed

View all 50 parts

Grip & magwells

Magwells

5 listed

View all 5 parts

Extended Magazine Releases

1 listed

Align Tactical
OFFSET P320 Extended Magazine Release
Manufacturer documented

Browse extended magazine releases

Base Pads

15 listed

View all 15 parts

Magazines

16 listed

View all 16 parts

Triggers & internals

Triggers

10 listed

View all 10 parts

Takedown levers

3 listed

View all 3 parts

Barrels & comps

Compensators

4 listed

View all 4 parts

Also on this pistol

Holsters

3 makers

ANR Designchecked 2026-07-30
Blackhawkchecked 2026-11-01
We The People Holsterschecked 2026-11-01

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

Holster makers (3)

Suggest a missing part →

Categories with no listings (6)

About the SIG SAUER P320

Type: Pistol
Manufacturer: SIG SAUER
Model & version: SIG 320C PF320PTEX™
Mounting details: MIL-STD-1913 Picatinny, Leupold DeltaPoint Pro, SIG SAUER P320 PRO optic cut (ROMEO1PRO / DPP pattern, P320 / M17 / M18 / AXG slides)

Lights & Lasers

EPL Duty (Black)

P.ID

APLc (Universal)

PL350G3 OKWv2 Light Package

Optics

RXS-100 Reflex Sight

EFLX CE Pistol Optic

SCS-320

DeltaPoint Pro

Optic Plates

SIG P320 Legion (M17 / M18) w/ R1P/DPP Cut to Trijicon RMR / RMR HD / SRO / Holosun 407C / 507C / 507Comp / 508T / C&H EDC-XL / COMP / COMP MAX / Olight Osight X w/ Dovetail for GLOCK compatible sights

Precision Optic Plate: Sig Sauer Pro Cut (P320) to RMR footprint

Red Dot Mount – MRA for Sig Sauer P320

SIG P320 Optics Ready Mount

Sights

Pistol Sights for Sig Sauer P320

Sight for Sig P320 .45 ACP, Fiber Optic Front,

MEPRO CRIS MPO BACK UP IRON SIGHTS

OPTICS READY STEALTH SERIES FOR SIG SAUER

Magwells

HA Sig P320 Magwell

Brass Open/LTD Magwell for Sig Sauer P320 X5/ Legion

Sig Sauer P320 Magwell

ESP/Duty Magwell for Sig Sauer P320 X5/Legion

Extended Magazine Releases

OFFSET P320 Extended Magazine Release

Base Pads

Sig Sauer P320 Carry Magazine Baseplate

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

Magazines

A2-320 Sig Sauer 32rd

ETS SIG Sauer P320 9mm 30-Round Extended Magazine

Magazine Extension PLUS 2 for Sig Sauer P320/P211

HA +2 Sig P320 Mag Extension

Triggers

SIG P320 COMPATIBLE DROP IN TRIGGER

P320 Adjustable Hybrid Trigger

Sig Sauer P320 Trigger Kit

Sig Sauer P320 Trigger

Takedown levers

P320 Thumb Rest Takedown Lever

P320 Sport Takedown Lever Type II:X-FIVE X5 X-Full X-Compact M17 9mm 40sw 357SIG

Sig P320 Sport Takedown Lever: X-Five X5 X-Full X-Compact M17 M18 AXG

Compensators

Faxon EXOS-515 Pistol Compensator for Sig P320 - 9mm

Velocity Defense Compensator for Sig P320

Tyrant Sig Sauer P320 T-Comp

Velocity Defense Pro Tucked Compensator for Sig P320

Holsters

About the SIG SAUER P320