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  • SIG P320CA M18 -
  • SIG P320CA M18 -
  • SIG P320CA M18 -
  • SIG P320CA M18 9MM - SIG W320CA-9-M18-MS
  • SIG P320CA M18 9MM - SIG W320CA-9-M18-MS
  • SIG P320CA M18 9MM - SIG W320CA-9-M18-MS
Sig Sauer LE/Mil

SIG P320CA M18

The same accuracy, durability and unmatched reliability as the M17, now available in a compact size.

The M18 was recently 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 is the commercial version that brings the same 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 ROMEO1 PRO and Deltapoint Pro Optics. The slide and grip module are the same coyote tan as the military version, and it includes (1) 17 round magazine & (2) 21 round magazines. The P320-M18... chosen by the U.S. Marine Corps and the U.S Military, now available to you for the first time.


Manufacturer LE/Mil Program Pricing - Purchaser Must Provide Proof of Eligibility

Item# Description Availability Qty
Break		 MSRP Price Choose Qty
SIG W320CA-9-M18-MS
SIG P320 M18 MS

In Stock

 1 $768.00 $569.00
SIG W320CA-9-M18-MS-BLK
SIG P320 M18 MS Black

In Stock

 1 $768.00 $569.00
  • 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 ROMEO1 PRO and Deltapoint Pro Optics.
  • The slide and grip module are the same coyote tan as the military version,
  • Includes (1) 17 round magazine & (2) 21 round magazines.


Order Details

  • Not available where prohibited by law
  • Proof of eligibility is required and we will keep a copy of the eligibility on file.
  • Offer not available in all states
  • All web sales must go through a Federal Firearms Licensee
  • Your order confirmation will contain information on how to submit your qualification credentials and FFLs information
  • Coupon codes/Discount codes not applicable
  • Please check out the Individual Firearms Sales page for more details on the ordering process.
Caliber: 9mm Luger
Action Type: Semi-Auto
Grip Type: Modular Polymer
Frame Size: Carry
Frame Material Stainless Steel
Frame Finish: Stainless Steel
Slide Finish: Coyote PVD
Slide Material: Stainless Steel
Barrel Material: Carbon Steel
Accessory Rail: M1913
Trigger: Striker
Trigger Type: Standard
Barrel Length: 3.9in (99mm)
Overall Length: 7.2in (188mm)
Overall Width: 1.6in (41mm)
Height: 5.5in (140mm)
Weight (oz): 28.1oz (797g)

We are proud to participate in SIG Sauer's Law Enforcement / Military Discount Program which offers many popular SIG weapons at significant discounts to eligible customers. Eligible customers are:

  • Military: Active, Reserve, NG, Retired, Medically Retired, Service-connected Disabled Veteran, and Honorably Discharged
  • Law Enforcement: Federal, State, and Local Active or Retired Sworn Officers
  • Law Enforcement Academy cadets with cerfified enrollment documentation
  • Corrections Officers including Parole and Probation Officers
  • Active 1st Responders: Firefighters, Paramedics, and EMT's
  • Armed Licensed Federal, State, City and Private Security Officers with ID and Documentations
  • Court Judges
  • District and Deputy District Attorneys

You MUST qualify as one of the above to purchase this weapon. In accordance with our manufacturer agreements, we are only permitted to sell LE/Mil program weapons to eligible individuals.