P320-M18 Optic Ready
Factory optic-ready military/duty configuration.
current
Research record; not firsthand tested.
pistol
Weight: 27.86 oz with empty 17-round magazine
Dimensions: 7.25 × 1.55 × 5.55 in
Compatibility: SIG P320 M17/M18 factory optic cut
Not listed
Prices may change.
No merchant links are currently listed.Description
Factory optic-ready military/duty configuration.
Specifications
| Slide | Stainless steel |
|---|---|
| Action | Striker-fired |
| Safety | Ambidextrous manual safety |
| Sights | SIGLITE front and night-sight rear plate |
| Caliber | 9×19 mm |
| Capacity | 17 rounds; optional 21-round magazine |
| Grip module | Glass-reinforced polymer |
| Barrel twist | 1:10 |
| Sight radius | 5.8 in |
| Trigger pull | 6.0–7.0 lb |
| Barrel length | 3.9 in |
| Accessory rail | MIL-STD-1913 |
| Weight without magazine | 24.54 oz |
| Weight with empty 21-round magazine | 28.57 oz |
Sources and verification
- Manufacturer product page
- Specification source — checked July 23, 2026