Sig Sauer P320-M18 9mm Carry Semi-Auto US Military Overrun Pistol

  • Item Number: SIGP320M18
  • /
  • View More Items by Sig Sauer
  • /
  • Condition: NEW
Sig Sauer P320-M18 9mm Carry Semi-Auto US Military Overrun Pistol
$749.99

Temporarily Out of Stock

Includes FREE shipping

Manufacturer Rebate

M17 I M18 US Army 250th Anniversary

Buy a new M17/M18 and Get $150 in SIG Cash OR Buy a new M17X/M18X and Get $250 in SIG Cash at SIGSAUER.com.
Offer expires Sep 1, 2025

Shop all eligible items Rebate form/details
  • BERETTA APX-A1 COMP TACTICAL 9MM 4.2 IN THREADED BBL 15 RD MAG

    Beretta APX-A1 Compact Tactical 9mm Optic Ready Pistol with Threaded Barrel
    $549.00 $364.99

  • RUGER RXM 9MM 4 IN BARREL OPTIC READY DON WICK 2X15

    Ruger RXM 9mm Optic Ready 15+1 Don Wick Special Edition Donald Trump Pistol
    $499.99 $479.99

  • RUGER EC9S 9MM BLACK PISTOL 3.12 IN BBL

    Ruger EC9s 9mm Striker-Fired Pistol
    $349.00 $229.99

  • TAURUS GX2 9MM 3.38` 2X13 RDS BK/BK

    Taurus GX2 9mm 13+1 Striker-Fired Pistol with Manual Safety
    $309.99 $249.99

  • TAURUS G2S 9MM SINGLE STACK STAINLESS PISTOL

    Taurus G2S 9mm Single Stack Pistol with Stainless Slide
    $332.82 $209.99

  • GLOCK 19X MOS 9MM FDE 4.02 IN BARREL

    Glock 19X MOS 9mm Pistol with Coyote Frame and Slide
    $599.99

  • CANIK TP9SFX 9MM WITH 20 ROUND MAGAZINE

    Canik TP9SFx 9mm Optic Ready Pistol
    $549.99 $439.99

  • GLOCK G43 9MM BLACK SLIDE/BLACK FRAME *USA*

    Glock 43 9mm Single Stack Pistol (Made in USA)
    $538.00 $449.00

  • KELTEC P15 9MM PISTOL

    Kel-Tec P15 9mm Pistol
    $229.99

  • RUGER RXM 9MM OR BLK/GRY MAGPUL 4` 2X15

    Ruger RXM 9mm Optic Ready 15+1 Striker-Fired Pistol with Magpul Enhanced Grip
    $499.99 $379.98

  • CENTURY ARMS DRACO 9S AK-STYLE 9MM PISTOL WITH BRACE

    Century Arms Draco 9s 9mm AK-47 Style Pistol with 35 Round Magazine and SOB47 Brace
    $569.99

  • SPRINGFIELD ECHELON 9MM PISTOL GEAR-UP PACKAGE

    Springfield Echelon 9mm Optic-Ready Gear Up Package with 5 Magazines, Range Bag and Crimson Trace Red Dot
    $700.00 $599.99

  • CCI 9mm 115 gr FMJ-RN Blazer Brass 50/Box

    CCI 9mm 115 gr FMJ-RN Blazer Brass 50/Box
    $24.99 $10.98
    ($0.22 / round)

  • CCI 9mm 124 gr FMJ Blazer Brass 50/Box

    CCI 9mm 124 gr FMJ Blazer Brass 50/Box
    $25.99 $10.99
    ($0.22 / round)

  • Maxx Tech 9mm Luger 115 gr FMJ Brass Case Target Ammo 50/Box

    Maxx Tech 9mm Luger 115 gr FMJ Brass Case Target Ammo 50/Box
    $16.95 $11.99
    ($0.24 / round)

  • Wolf Ammo 9mm 115 gr FMJ Bimetal Steel Performance Ammunition 50/Box

    Wolf Ammo 9mm 115 gr FMJ Bimetal Steel Performance Ammunition 50/Box
    $8.99
    ($0.18 / round)

  • CCI 9mm Luger 115 gr Jacketed Hollow Point Blazer Brass 50/Box

    CCI 9mm Luger 115 gr Jacketed Hollow Point Blazer Brass 50/Box
    $37.99 $18.49
    ($0.37 / round)

  • Hornady 9mm Luger +P 124 gr FlexLock Critical Duty 25/Box

    Hornady 9mm Luger +P 124 gr FlexLock Critical Duty 25/Box
    $24.99
    ($1.00 / round)

  • Fiocchi 9mm 115 gr Hornady XTP Hollow Point Hyperformance 25/Box

    Fiocchi 9mm 115 gr Hornady XTP Hollow Point Hyperformance 25/Box
    $21.99 $10.99
    ($0.44 / round)

  • Federal 9mm Luger 115 gr FMJ American Eagle  50/Box

    Federal 9mm Luger 115 gr FMJ American Eagle 50/Box
    $24.99 $10.98
    ($0.22 / round)

  • Hornady 9mm 115 gr Critical Defense 25/Box

    Hornady 9mm 115 gr Critical Defense 25/Box
    $22.49
    ($0.90 / round)

  • Hornady 9mm Luger 100 gr FTX Critical Defense Lite 25/Box

    Hornady 9mm Luger 100 gr FTX Critical Defense Lite 25/Box
    $22.49
    ($0.90 / round)

  • CCI 9mm Luger 100 gr FMJ Blazer Brass Reduced Recoil 50/Box

    CCI 9mm Luger 100 gr FMJ Blazer Brass Reduced Recoil 50/Box
    $23.99 $11.99
    ($0.24 / round)

  • Remington 9mm 115 Gr FMJ Range 50/Box

    Remington 9mm 115 Gr FMJ Range 50/Box
    $23.99 $14.99
    ($0.30 / round)

Product Description

What's in the Box

  • Sig Sauer P320-M18 9mm Carry Semi-Auto US Military Overrun Pistol
  • (2) 21-Round Magazines
  • (1) 17-Round Magazine
  • Cable Lock
  • Owner's Manual

The Sig Sauer M18 has been issued to all branches of the U.S. Military and was chosen as the official sidearm of the U.S. Marine Corps. The P320-M18 brings the unprecedented accuracy, extreme reliability and unmatched durability the military demands.

The P320-M18 comes standard with SIGLITE night sights and a removable night sight rear plate. The slide is optic ready and directly compatible with the RomeoM17 and Romeo2 Optics. The slide and grip module are the same coyote tan as the military version, and it includes (1) 17 round magazine and (2) 21 round magazines.

Firearm Features

  • Optic Ready Coyote PVD Slide with Removable Night Sight Plate
  • Carry Length Coyote Grip Module
  • Ambidextrous Manual Safety
  • Striker Fired with a Short Tactical Reset

Firearm Specifications

  • Manufacturer: SigSauer
  • Model: SIGP320M18
  • Caliber: 9mm
  • Barrel Length: 3.9"
  • Overall Length: 7.2"
  • Finish: Coyote Tan
  • Grips: Coyote Carry Medium Grip Module
  • Sights: SIGLITE Night Sights (Front)/NS Rear Plate
  • Magazine Capacity: 17 and 21-Rounds
  • Additional Features: Fore-End Rail for Accessories

Customer Comments & Questions

Customer Reviews

No reviews have been written for this product.

Write a review