Sig Sauer GRIPMODXF943MBLK P320 Grip Module X-Series (Medium Size Module) 9mm Luger/40 S&W/357 Sig Black Polymer Fits Full Size Sig P320 (4.70)”

(Magwell & Weight Compatible) Install your P320 firing control unit into this Grip Module Assembly to convert to a P320 X-Series Full size chambered in 9mm .357 SIG .40AUTO. Requires the 9mm .357 SIG and .40AUTO slide and barrel.*Please note- This grip module DOES NOT include the extended magwell and internal weight.- The X-Series Grip Modules will not work with magazines that have SIG SAUER” on the baseplate. They are compatible with the baseplates that have the SIG Mark on it.”