SIG SAUER P320-M17

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

Browse parts

60 documented listings108 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

P320-M17 · M17

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

168

Lights & rail fitment

Lights & Lasers

63 listed

View all 63 parts

Optics & footprint adapters

Optics

25 listed

View all 25 parts

Optic Plates

20 listed

View all 20 parts

Sights

20 listed

View all 20 parts

Grip & magwells

Extended Magazine Releases

1 listed

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

Browse extended magazine releases

Base Pads

6 listed

View all 6 parts

Magazines

7 listed

View all 7 parts

Triggers & internals

Triggers

9 listed

View all 9 parts

Takedown levers

1 listed

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

Browse takedown levers

Recoil Springs

2 listed

View all 2 parts

Also on this pistol

Holsters

9 makers

Blackhawkchecked 2026-11-01
Bravo Concealmentchecked 2026-11-01
DeSantis Gunhidechecked 2026-11-01
Galcochecked 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 (9)

Barrels & comps

Barrels

3 listed

View all 3 parts

Compensators

2 listed

View all 2 parts

Suggest a missing part →

Categories with no listings (5)

About the SIG SAUER P320-M17

Type: Pistol
Manufacturer: SIG SAUER
Model & version: P320-M17 · M17
Mounting details: MIL-STD-1913 Picatinny, Leupold DeltaPoint Pro, SIG SAUER P320 PRO optic cut (ROMEO1PRO / DPP pattern, P320 / M17 / M18 / AXG slides)
Width: 1.5"
Height: 5.5"
Weight: 30.5 oz
Barrel length: 4.7"

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 M17/M18 ACRO Mount Plate

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

Optic Mount for Sig Sauer P320 Pro Cut Slides

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

Sights

Sight for Sig P320-M17 w/ Leupold DeltaPoint Pro, Fixed Co-Witness Black Rear,

OPTICS READY STEALTH SERIES FOR SIG SAUER

REAR SIGHT ASSY, P320, X-RAY3, SIGHT PLATE, SIGHT SCREWS, BLK

RMR Mount w/ Integrated Bright & Tough Night Sights - SIG Sauer M17/M18 Commercial Variant

Extended Magazine Releases

Extended Magazine Release Button: P250 / P320

Base Pads

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

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

Sig Sauer P320 | P211 Magazine Base Pads Brass +0

Magazines

A2-320 17-Round

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

P250, P320 FULL/CARRY/M17 9MM 17RD MAGAZINE

P250,P320 9MM 30RD EXTENDED MAGAZINE

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

TUNGSTEN P320 Full Size / P320 X5 X5 Legion Guide Rod

Holsters

Barrels

GGP 320 Full Size Threaded Barrel

Sig Sauer M17 Full Size 9MM Match 4.7"

Sig Sauer M17 Full Size 9MM Match 4.7" with 1/2×28 suppressor threads 5.45" OAL

Compensators

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

PMM Barrel and Compensator Combos for Sig P320

About the SIG SAUER P320-M17