Lot 3323

Unopened U.S. Overrun SIG Sauer P320-M18 Pistol in Sealed Box

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Unopened U.S. Overrun SIG Sauer P320-M18 Pistol in Sealed Box

Estimate: $1,400 - $2,250

Starting Bid: $1,200

(0 Bids)

by Rock Island Auction Company
August 23, 2026 9:00 AM CDT
Live Auction
3600 Harwood Road
Bedford, TX, US 76021

Scarce Unopened U.S. Military Contract Overrun SIG Sauer P320-M18 Semi-Automatic Pistol in Sealed Box Manufactured in 2022. This U.S. military contract overrun "TC" prefix M18 pistol was one of a limited amount released to the commercial market. SIG Sauer's M18 carry-size service pistol was adopted by the United States Air Force, Navy, and Marine Corps by 2019 to replace the Beretta M9, M9A1, and Colt M45A1. Includes the original box, still factory tape sealed, with matching end label marked "SIGP320M18", dated "29-NOV-2022", and with the detail "M18,9MM, 3.9IN, M18, COYOTE, STRIKER, SIGLITE W/DP PRO PLATE, MOD POLY GRIP, (1) 17RD (2) 21RD MAG". Note: This item features a high-capacity magazine which has a capacity above 15 rounds and cannot be sold or transferred to individuals in CA, CO, CT, DC, HI, IL, MD, MA, NJ, NY, RI, VA, VT, or WA. Please check your local laws and regulations prior to bidding.

Manufacturer: Sig Sauer, Inc

Model: P320 M18

BBL: 3 3/4 inch round

Gauge: 9mm Luger

Finish: coyote PVD/black

Grips: plastic

Serial NumberTC454990

Class: Modern Handgun

  • Condition: As sealed in factory box. Mechanically untested. The box is very fine.

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Bid Increments
From: To: Increments:
$0 $199 $10
$200 $499 $25
$500 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 $199,999 $10,000
$200,000 + $25,000