Factory replacement for the P365-XMACRO grip module. It features a true 1913 accessory rail and three interchangeable backstraps (S, M, L) to ensure a proper fit for the user's hand. The medium backstrap comes preinstalled.
The factory replacement 17-round extended magazine for the SIG SAUER P320 9MM pistol.
Compatible with P320 9MM models in the following sizes: XFIVE, XFULL, XCARRY, FULL, CARRY.