Easily change your P320 setup to include the slide and optic used by the U.S. Military on the standard-issue M18. 

M17 & ROMEO-M17 Slide Assembly Features:

• Easy slide assembly swap, no tools required.
• Factory mounted ROMEO-M17 Reflex Sight.
• Compatible with Fire Control Units (FCUs) with and without a manual safety.
• Loaded Chamber Indicator (LCI)
• Barrel Compatibility: 4.7" 9MM barrel.
• Includes factory-installed SIGLITE front and sights.
• Finish: Coyote PVD