SIG SAUER P320 M17 9mm Full-Size, 4.7 in Barrel, ROMEO-M17 Enclosed Red Circle-Dot Optic, Black, 21+1, 2025 USA
This 2025 SIG SAUER P320 M17 is a full-size, U.S. Army MHS service-pattern pistol in 9mm Luger with a factory-installed SIG SAUER ROMEO-M17 enclosed red circle-dot sight. It features a stainless-steel slide with an all-black finish, modular P320 architecture with a removable FCU, and an M1913 Picatinny rail. It ships with a substantial magazine set and its original SIG SAUER case and documentation.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Handling evidence is minimal, surfaces are clean, and the bore presents a bright, mirror-like interior.
What’s Included
- SIG SAUER factory gray hard case
- SIG SAUER manuals/documentation
- SIG SAUER ROMEO-M17 enclosed red circle-dot optic (installed)
- Two 21-round factory SIG SAUER P320/M17 magazines
- Seven 17-round factory SIG SAUER P320/M17 magazines
The M17 configuration follows the U.S. Army Modular Handgun System service pattern in a full-size format. It uses the modular P320 architecture with a removable, serialized FCU and interchangeable grip modules. The stainless-steel slide wears an all-black finish and is cut with front and rear serrations and an optic cut. The slide is marked "MFR: 62WB1."
The factory-installed ROMEO-M17 enclosed-emitter red circle-dot sight is purpose-built for the P320/M17 footprint. It provides a 2-MOA red dot with a 32-MOA circle in a sealed 7075-aluminum housing. The front sight is a blade with a white dot; the rear sight is removed or obscured by the mounted optic. Romeo-M17 Red Circle Dot Sight installed.
Controls include an ambidextrous manual safety and a curved trigger within the striker-fired action. The black polymer grip module is textured with molded SIG logos. An M1913 Picatinny accessory rail is molded into the polymer dust cover for light or accessory attachment.
This all-black variant is made in the USA and was manufactured in 2025. Maximum stated capacity is 21+1 with appropriate magazine. FCU serial number: 58K310239.