SIG Sauer P320 Full-Size 9mm (320F-9-BSS), 4.7 in Barrel, Black Nitron, 4x 17-Round Mags, Modular FCU, USA
This SIG Sauer P320 Full-Size 9mm (320F-9-BSS) features a 4.7-inch barrel, a black Nitron slide, and the modular, serialized stainless-steel fire control unit (FCU). It comes with four 17-round steel magazines marked "Made in Italy" fitted with aftermarket extended base pads, plus an installed aftermarket takedown lever with thumb rest and the original SIG lever included. Made in the USA with NEWINGTON, NH markings, the factory case label shows a date of 29-MAR-2015 matching the serial.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in great shape, with minor superficial scratches and blemishes present.
What’s Included
- SIG Sauer factory hard case
- Paperwork
- Four 17-round steel magazines marked "Made in Italy" with aftermarket extended base pads installed
- Aftermarket takedown lever with thumb rest (installed)
- SIG Sauer OEM takedown lever (not installed)
The P320 Full-Size configuration pairs a 4.7-inch barrel with a striker-fired system and a modular, serialized stainless-steel FCU housed in a polymer grip module. It has no external manual safety and uses metal, dovetailed 3-dot sights. The slide wears a black Nitron finish and includes front and rear serrations for confident manipulation.
A full-length MIL-STD-1913 accessory rail with five slots is integrated into the frame for mounting compatible accessories. The sights are dovetailed front and rear, and the steel construction provides a durable, positive sight picture.
This example includes four 17-round steel magazines, each marked "Made in Italy" and fitted with aftermarket extended base pads. The pistol offers a 17+1 capacity in 9mm Luger.
An aftermarket takedown lever with a thumb rest is installed. A SIG Sauer OEM takedown lever is also included as a spare, providing the option to return the control to factory configuration.
Manufactured in the United States and marked NEWINGTON, NH, USA, this pistol aligns with the 320F-9-BSS model designation. The factory case label notes a date of 29-MAR-2015 that matches the serial.




