Product Description The SIG SAUER P365-XMACRO grip module is a factory replacement pistol grip module designed for SIG SAUER P365 family fire control units configured with a manual safety. Built for enhanced capability and fit, it features a true 1913 accessory rail for lights/lasers and includes three interchangeable backstraps (Small, Medium, Large) to help tailor the grip to your hand (medium backstrap comes preinstalled). This module is compatible with 17-round P365-XMACRO magazines and is intended for use with a compatible slide assembly (P365XL or XMACRO length). Product Highlights Factory replacement SIG SAUER grip module for the P365-XMACRO / P365 platform True 1913 Picatinny accessory rail for mounting weapon lights and lasers Includes 3 interchangeable backstraps (S/M/L) for a more personalized grip fit Compatible with 17-round SIG SAUER P365-XMACRO magazines Designed to work with P365 firing control units with an installed manual safety Specs Brand: Sig Sauer Product Type: Grip Module (pistol grip module/frame component) Platform Compatibility: SIG SAUER P365 / P365-XMACRO Caliber Compatibility: 9mm Luger Manual Safety Compatibility: For P365 fire control units with installed manual safety Accessory Rail: True 1913 Picatinny rail Backstraps Included: Small, Medium (preinstalled), Large Magazine Compatibility: 17-round P365-XMACRO magazines UPC: 798681672479 Manufacturer Part Number: 8901180 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.