Description
Item Description
Bryant Ridge Co. is pleased to present this semi-automatic pistol today for a penny-start auction; this is the Sig Sauer P320 M-18 Compact.
SPECIFICATIONS:
Manufacturer: Sig Sauer
Model: P320 M18
Serial: M18A032107
Caliber: 9mm
Finish: Coyote Tan
Barrel Length: 3.9"
Optics/Sights: Fixed Siglite Night Sights w/ Pro Plate
Stock/Grips: Coyote Tan Modular Polymer Grip Frame w/ Texturing
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The Sig Sauer P320 M18 is a compact military-oriented variant of the highly successful P320 striker-fired pistol platform, developed by SIG Sauer as the civilian counterpart to the U.S. military’s official M18 service handgun adopted under the Modular Handgun System program. Chambered in 9mm Luger, the M18 combines military-grade durability, modularity, and modern combat features into a versatile sidearm suitable for duty use, personal defense, and recreational shooting. One of the defining characteristics of the P320 M18 is its serialized stainless steel fire-control unit, which can be removed from the polymer grip module and installed into different frame sizes and configurations, allowing extensive customization and caliber conversion possibilities within the broader P320 system. The M18 features a compact-length slide and barrel paired with a carry-sized grip frame, striking a balance between concealability and full-handed shooting control. Finished in a distinctive coyote tan color scheme to match military specifications, the pistol typically includes an optics-ready slide cut compatible with miniature red dot sights, SIGLITE night sights, ambidextrous manual thumb safety, and a 17-round flush-fit magazine with optional extended 21-round magazines. Mechanically, the pistol uses a striker-fired short-recoil operating system with a consistent trigger pull and internal safeties, designed for combat reliability and ease of training. In practical use, the P320 M18 earned praise for its excellent ergonomics, manageable recoil, and modular adaptability, with many shooters appreciating the natural grip angle and smooth trigger characteristics compared to other striker-fired service pistols. The compact slide length contributes to faster handling and easier carry, while the full grip frame provides strong recoil control and high ammunition capacity.
Model: P320 M18
Serial: M18A032107
Caliber: 9mm
Finish: Coyote Tan
Barrel Length: 3.9"
Optics/Sights: Fixed Siglite Night Sights w/ Pro Plate
Stock/Grips: Coyote Tan Modular Polymer Grip Frame w/ Texturing
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The Sig Sauer P320 M18 is a compact military-oriented variant of the highly successful P320 striker-fired pistol platform, developed by SIG Sauer as the civilian counterpart to the U.S. military’s official M18 service handgun adopted under the Modular Handgun System program. Chambered in 9mm Luger, the M18 combines military-grade durability, modularity, and modern combat features into a versatile sidearm suitable for duty use, personal defense, and recreational shooting. One of the defining characteristics of the P320 M18 is its serialized stainless steel fire-control unit, which can be removed from the polymer grip module and installed into different frame sizes and configurations, allowing extensive customization and caliber conversion possibilities within the broader P320 system. The M18 features a compact-length slide and barrel paired with a carry-sized grip frame, striking a balance between concealability and full-handed shooting control. Finished in a distinctive coyote tan color scheme to match military specifications, the pistol typically includes an optics-ready slide cut compatible with miniature red dot sights, SIGLITE night sights, ambidextrous manual thumb safety, and a 17-round flush-fit magazine with optional extended 21-round magazines. Mechanically, the pistol uses a striker-fired short-recoil operating system with a consistent trigger pull and internal safeties, designed for combat reliability and ease of training. In practical use, the P320 M18 earned praise for its excellent ergonomics, manageable recoil, and modular adaptability, with many shooters appreciating the natural grip angle and smooth trigger characteristics compared to other striker-fired service pistols. The compact slide length contributes to faster handling and easier carry, while the full grip frame provides strong recoil control and high ammunition capacity.
The pistol also became widely recognized because of its direct connection to U.S. military service, where the M17 and M18 replaced the long-serving Beretta M9 as the standard-issue sidearm. Shooters often value the M18 for combining military pedigree with modern features such as optics compatibility and interchangeable grip modules, making it suitable for both defensive and range applications. Although the P320 platform faced controversy over early drop-safety concerns before factory updates were implemented, the updated M18 variants earned a reputation for strong reliability and widespread professional use. Today, the Sig Sauer P320 M18 is regarded as one of the most influential modern service pistols, admired for its modular design, military heritage, optics-ready capability, and role as the current sidearm platform of the United States Armed Forces.
Contents:
Contents:
This example will ship with the factory-labeled Sig Sauer case and all other contents pictured above.
Return Policy:
We gladly offer a 3-day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Return Policy:
We gladly offer a 3-day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Shipping Details
Handgun Standard Shipping with Insurance $50.00
Long Gun Standard Shipping with Insurance $70.00
Any orders placed with magazines that are not compliant with your state, county, or city regulations will not ship with your order.
We strive to ship orders within the close of the following business day after payment and documentation is received.
Payment Details
We accept all forms of Payment including Personal Check, Business Check, PO Money Orders, Certified Check, Etc.
Please note we place a 7 business day hold on shipment, for all non-certified payments.
Payment MUST be received within 14 days.
Return Policy
We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Additional Details
Our #1 priority is customer satisfaction. We want to build a lasting trust in the relationship with our customers, so that you will always look to us for all your firearms needs. If you have any issues with your transactions please contact us, and we will work with you to resolve any issues you may have. We greatly appreciate your trust in us and we look forward to fulfilling all your future firearm needs.
Bryant Ridge also reserves the right to cancel any sales that may occur while gunbroker.com is experiencing technical issues that affects the entire site or a complete site outage, within an hour of the auction ending.
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About Us
From a small town hobby, to a leader in the investment and collector grade firearms industry. Bryant Ridge Firearms is here to offer the best in quality and customer service when you are looking to unload your collector grade firearm collection. 
Additional Information
GunbrokerLink: |
https://www.gunbroker.com/item/1177141703 |
BidPrice: |
105 |
AuctionEndDate: |
2026-05-31 21:00:00 |
CurrentBid: |
105 |
