Sig Sauer P320 X-Series Grip Module, Large Full-Size, Coyote

The Sig Sauer P320 Grip Module X-Series (Large) converts a P320 firing control unit into a full-size X-Series configuration. This coyote polymer module is specified for the full-size P320 referenced at 4.70 inches and is intended for use with the corresponding slides and barrels for each caliber. It supports 9mm Luger, .40 S&W and .357 SIG when paired with the appropriate slide and barrel. The module is magwell and weight compatible but does not include the extended magwell or internal weight.

Key Specifications

• Fits full-size Sig P320 with a nominal length of 4.70 inches.
• Compatible with 9mm Luger, .40 S&W, and .357 SIG when used with the corresponding slide and barrel.
• Constructed from Polymer.
• Finish is Coyote Tan.
• Designed for the P320 model.
• Color: Coyote.
• Gun type: Pistol.
• Does not include the extended magwell or internal weight.
• Compatibility note: Not compatible with magazines having “SIG SAUER” on the baseplate; compatible with baseplates bearing the SIG mark.
• Make: Sig Sauer.

This X-Series grip module provides a purpose-driven upgrade path for P320 users seeking the ergonomics and control of the full-size configuration. Its coyote polymer construction and factory-compatible geometry make it a practical choice for builders and shooters looking to configure a reliable full-size X-Series pistol while maintaining compatibility with the correct slide and barrel combinations.