Sig Sauer 8901181 P365-XMACRO Grip Module 9mm Compatible w/ 17rd P365-XMACRO Mags/All P365 FCUs (Non-Manual Safety)

The P365-XMACRO grip module 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.