Sig Sauer GRIPMODXCA943SMBLK P320 Grip Module X-Series Carry (Small Size Module) 9mm Luger/40 S&W/357 Sig Black Polymer Fits Sig P320 (3.90 & 4.70″)”

(Magwell & Weight Compatible) Install your P320 firing control unit into this Grip Module Assembly to convert to a P320 XSERIESCarry chambered in 9mm .357 SIG .40AUTO with your selected grip size. Requires the 9mm .357 SIG and .40AUTO slide and barrel. Please Note – The XSERIES 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.”