Description

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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