Sig Sauer P320 X-Series Full Grip Module (Large), 9/357/40, Black

This is a full-size X-Series grip module assembly from Sig Sauer intended to accept a P320 firing control unit. It is a large-size, black polymer grip module designed to convert a P320 FCU into an X-Series full-size configuration and is listed for use with 9mm Luger, .357 SIG and .40 S&W when paired with the appropriate slide and barrel. The module is supplied without the extended magwell and internal weight.

Key Specifications

• The manufacturer is Sig Sauer.
• The module is designated as a P320 X-Series Full-Size (Large) Grip Module.
• Compatible chamberings listed are 9mm Luger / .357 SIG / .40 S&W when used with the appropriate slide and barrel.
• The frame material is polymer.
• The finish/color is black.
• Designed to fit a full-size P320 with a 4.70-inch full-size slide/barrel configuration.
• This item accepts the P320 firing control unit and requires transfer of the FCU to the module: P320 FCU installation required.
• The module does not include the extended magwell or internal weight.
• The X-Series grip module will not work with magazines that have “SIG SAUER” on the baseplate; it is compatible with baseplates that carry the SIG mark.
• The product category is Pistol Grips.

This grip module provides a factory-aligned route to convert a P320 fire control unit into a full-size X-Series configuration with a large grip profile and black polymer construction. Its compatibility with multiple chamberings (when paired with the correct slide and barrel) and attention to magazine baseplate fit make it a practical choice for shooters seeking the ergonomics and layout of the X-Series full-size platform. Note the module ships without extended magwell or internal weight; review compatibility with your magazines and component slides before installation.

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