Sig Sauer P320-M17 9mm Full-Size, Coyote, Trijicon Night Sights, Optic-Ready MHS/R2 Cut (DPP/Romeo1 Pro; RMR via adapter), 4.7 in Barrel, 4 Mags
This Sig Sauer P320-M17 is a commercial variant reflecting the MHS M17 service configuration, finished in coyote with a 4.7 in barrel and full-size grip. It features SIG’s MHS/R2 optic cut (native to Leupold DeltaPoint Pro/SIG Romeo1 Pro). An aftermarket RMR-pattern adapter plate with a separate Trijicon rear sight is installed, and the pistol is outfitted with Trijicon Bright & Tough tritium night sights. The package includes two 21-round magazines and two 17-round magazines, and features ambidextrous manual safety, ambidextrous slide catch, and a reversible magazine catch. Manufactured in Newington, NH, the slide is marked "SIG SAUER M17" along with "MFR: 62WB1" and "PN: 13067008-17."
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: This firearm is in great shape overall. Minor scratches and blemishes are present. The bore is clean and shiny.
What’s Included
- SIG SAUER factory plastic case
- Kydex-style appendix IWB holster with integrated mag carrier; light-bearing for Streamlight TLR-1
- Aftermarket RMR-pattern adapter plate with separate Trijicon rear sight (installed)
- Trijicon Bright & Tough tritium night sights (installed)
- OEM iron sights
- 2x 21-round magazines
- 2x 17-round magazines
The P320-M17 pairs Sig Sauer’s modular P320 FCU design with a full-size, coyote-finished frame and slide. The glass-reinforced polymer frame is durable and lightweight, and the slide includes front and rear cocking serrations for confident manipulation. A MIL-STD-1913 accessory rail with three slots supports common lights and accessories.
This pistol is optic-ready with SIG’s MHS/R2 optic cut (Leupold DeltaPoint Pro/SIG Romeo1 Pro pattern). An aftermarket adapter plate providing Trijicon RMR compatibility is installed along with a separate rear sight, and Trijicon Bright & Tough tritium night sights are already fitted for clear aiming in varied light.
Controls are set up for versatility: an ambidextrous manual safety and ambidextrous slide catch are complemented by a reversible magazine catch. The striker-fired system delivers consistent operation, and the full-size configuration provides a 21+1 capacity when using the included extended magazines.
It ships with two 21-round extended magazines and two 17-round standard magazines. These steel P320/M17 pattern magazines are stamped Made in Italy and cover both extended and standard use cases.
Markings and origin details underscore its M17 lineage: the slide is marked "SIG SAUER M17" with additional "MFR: 62WB1" and "PN: 13067008-17," and it is manufactured in Newington, NH, USA. Model/part identification is M17-9-CSS-MS.