The Sig Sauer P320 ROMEO-X Pro Slide (brand part number 8901567) is a factory RXP X-Series stainless steel slide assembly in 9mm Luger finished in Coyote Brown with front-and-rear serrations, sized for the compact 3.6-inch P320 platform. Built by Sig Sauer, this slide comes with the ROMEO-X Pro reflex optic already installed low enough to co-witness with the included standard-height iron sights for a consistent sight picture. The assembly fits Compact size grip modules across both X-Series and non-X-Series frames and is built to accommodate a 3.6-inch barrel, sold separately.

Key Specifications

• Built for the Sig Sauer P320 pistol platform as an RXP X-Series slide assembly.
• Chambered in 9mm Luger, the P320’s most common caliber.
• Finished in Coyote Brown for a distinctive two-tone look.
• Constructed from stainless steel for long-term durability.
• Cut with front and rear serrations for a secure grip from any angle.
• Comes with a factory ROMEO-X Pro optic already installed.
• Uses Xray3 sights for a standard-height co-witness with the optic.
• Fits Compact size grip modules (X-Series and non-X-Series).
• Accommodates a 3.6-inch barrel, sold separately.

Frequently Asked Questions

Does the Coyote Brown finish match Sig’s factory FDE accessories? Yes, it is a factory Coyote Brown Cerakote-style finish designed to coordinate with tan and FDE accessories.

Will this fit a Full-size P320 grip module? No, this slide is sized for Compact grip modules only.

Buy the Sig Sauer P320 ROMEO-X Pro Coyote Brown 3.6-inch Slide

Build a color-matched, optic-ready Compact P320. Order this handgun slide from our Lubbock, Texas gun shop for fast, insured shipping.