SIG Sauer P320 Compact 9mm MS (MA Compliant), 3.9 in Barrel, SIGLITE Night Sights, Nitron Black
This SIG Sauer P320 Compact 9mm is the Massachusetts-compliant MS variant with ambidextrous manual safety and a 3.9 in barrel. It features the modular P320 design with a removable serialized FCU, SIGLITE night sights, and a Nitron black slide. The factory case label matches the pistol’s serial and is dated 30-APR-2025. One 15-round steel magazine marked Made in Italy is included.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Light handling marks are present from prior use. See the photos for close-ups.
What’s Included
- SIG Sauer factory hard case with molded SIG logo
- One 15-round steel magazine (marked 'Made in Italy')
The P320 Compact delivers a balanced footprint around a 3.9 in barrel and slide, with a striker-fired action and the platform’s hallmark removable, serialized fire control unit. The stainless steel receiver chassis seats in a durable polymer grip module, finished with a Nitron black slide for corrosion resistance and duty-ready appearance.
This MS configuration adds an ambidextrous manual thumb safety and a loaded-chamber viewport for quick status checks. Sight alignment comes from SIGLITE night sights, with a dovetailed front post and a dovetailed square-notch rear for secure, serviceable installation.
Controls and features support practical use: front and rear slide serrations, an external extractor, and an M1913 dust-cover rail with four slots for compatible accessories. The included 15-round steel magazine is marked Made in Italy and has witness marks for round counting.
Designated as Massachusetts-compliant under SKU 320C-9-BSS-MS-MA, this commercial P320 shares lineage with the M17/M18 Modular Handgun System. Made in the USA, it retains the P320’s modularity and proven features in a compact, carry-friendly size. The factory case label matches the pistol’s serial and is dated 30-APR-2025 for clear provenance.