The P320-M18 slide and grip are the same coyote tan as the military version. The m18 comes standard with SIGLITE night sights and a removable night sight rear plate. The slide is optic ready and directly compatible with the ROMEO1 PRO. The slide and grip module are the same coyote tan as the military version. Includes one 17rd magazine and two 21rd magazines.
| Model | P320 M18 |
| Type | Pistol |
| Caliber | 9mm |
| Manufacturer | Sig Sauer |
| Capacity | 21 Rounds |
| Manufacturer number | 320CA-9-M18-MS |