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The Sig Sauer GRIPMODXF943MCOY, compatible with Magwell and Weight, allows you to install your P320 firing control unit into the Grip Module Assembly for conversion into a P320 X-Series Full size. Suitable for use with 9mm, .357 SIG, .40AUTO chamber slides and barrels. Please note that the 9mm, .357 SIG and .40AUTO slide and barrel are required for use. Notably, this grip module does NOT come with the extended magwell or internal weight.
An essential point to remember is that the X-Series Grip Modules will not operate with magazines that feature "SIG SAUER" on the baseplate. However, they are compatible with baseplates that are marked with the SIG symbol.