Sig Sauer 8901180 Grip Module Fits Sig P365/P365-XMacro 9mm Luger, Compatible w/17rd P365-XMACRO Mags, 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.