Sig Sauer P320 X-Series Compact Grip Module (Large Size) 9mm Luger/40 S&W/357 Sig - Black Polymer

The Sig Sauer P320 X-Series Compact Grip Module in the Large Size configuration is an OEM polymer grip housing for the modular Sig P320 pistol platform. Built from black polymer, this grip module is designed to accept P320 Fire Control Units chambered in 9mm Luger, .40 S&W, or .357 Sig, and it is compatible with P320 slides fitted with either 3.60" or 3.90" barrel lengths.

Classified as an X-Series Compact module in the Large size, this grip assembly forms the grip frame portion of the P320 pistol. The P320 modular design allows the grip module to be swapped to adjust the overall grip dimensions while retaining a common serialized Fire Control Unit.

This is a factory Sig Sauer accessory component. The serialized part of the P320 system is the Fire Control Unit (FCU); this grip module is a non-serialized part and does not constitute a firearm or receiver on its own.