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

The Sig Sauer P320 X-Series Full Grip Module Assembly is a large-size polymer grip module designed for the full-size P320 platform. It accepts the P320 fire control unit to convert a P320 into the X-Series Full-size configuration. This module is compatible with 9mm Luger, .357 SIG, and .40 S&W when used with the corresponding slide and barrel. The assembly does not include the extended magwell or internal weight.

Key Specifications

• The module is designed for the P320 fire control unit and fits full-size assemblies.
• Compatible calibers are 9mm Luger, .357 SIG, and .40 S&W when paired with the appropriate slide and barrel.
• The finish is Black for a consistent appearance with factory components.
• The frame material is Polymer for reduced weight and durability.
• Size designation is Full-Size (Large) to accommodate larger hands and full-size slides.
• This assembly does not include the extended magwell or internal weight; those items are sold separately or require additional parts.
• Magazine compatibility requires baseplates with the SIG Mark and is not compatible with magazines that have "SIG SAUER" on the baseplate.
• Listed fitment references a full-size P320 with a 4.70-inch slide/barrel configuration as indicated in the provided product data.
• Color is specified as Black polymer to match standard OEM styling.

Purpose-built to convert a P320 fire control unit into an X-Series full-size platform, this large grip module delivers a factory-compatible foundation for shooters seeking X-Series ergonomics and a full-size grip profile. Its polymer construction and OEM finish make it a practical choice for range use, competition setups, or users reconfiguring their P320 into a full-size X-Series configuration.