Sig Sauer P320 X-Full 9mm 4.7in 17rd ROMEO-RS Pro

The Sig Sauer P320 X-Full is a full-size, striker-fired semi-automatic pistol chambered in 9mm. It features a 4.7-inch slide and barrel and ships with two magazines. The pistol includes a ROMEO-RS Pro optic and factory night sights, and is built around a modular polymer X-Grip for adjustable ergonomics and a high handhold.

Key Specifications

• The caliber is 9mm.
• The barrel measures 4.7 inches.
• The magazine capacity is 17 rounds.
• The package includes 2 magazines.
• The action type is Semi-Auto (striker-fired).
• The frame material is polymer.
• The grip material is polymer with a modular X-Grip design.
• The sighting package includes night sights.
• This model includes a ROMEO-RS Pro optic and an SHIELD/RMSc optic footprint.
• The unloaded weight is approximately 29.4 ounces.

Well-suited for range, competition, and duty use, the P320 X-Full combines a full-size platform with modern ergonomics and accessory readiness. Its modular grip, high grip geometry and included red-dot optic option provide a practical balance of control and sighting capability while the polymer construction helps keep handling manageable for extended sessions.