SIG SAUER Cal-X P365 Fuse 9mm Caliber Conversion Kit 1 17 Round/1 21 Rounds Magazine Black. 3'' P365-FUSE slide assembly featuring our XRAY3 Day/Night sights. This CAL-X kit provides P365 owners with the capability of a full-size pistol and the micro-compact concealment the P365 is known for. The included FUSE-length 6 7/8'' optic-ready slide is longer than any compact in its class for improved sight radius and enhanced control. Equipped with XRAY3 Day/Night sights and a 4.3'' barrel this conversion kit provides improved ballistic performance from todays defensive ammunition for faster velocities and maximum expansion on target. Specifications for SIG SAUER Cal-X P365 Fuse 9mm Caliber Conversion Kit: Manufacturer: SIG SAUER Color: Black Finish: Black Fabric/Material: Stainless Steel Gun Make: SIG Sauer Caliber: 9mm Luger Magazine Included: Yes Package Contents: SIG SAUER Cal-X P365 Fuse 9mm Caliber Conversion Kit What firearm models does the manufacturer say SIG SAUER Cal-X P365 Fuse 9mm Caliber Conversion Kit is compatible with? The manufacturer suggests that SIG SAUER Cal-X P365 Fuse 9mm Caliber Conversion Kit is compatible with SIG Sauer P365 SIG Sauer P365-FUSESIG SAUER CALX-365XF-9-BXR3: Cal-X P365 Fuse 9mm Caliber Conversion Kit 1 17 Round/1 21 Rounds Magazine Black