Norsso P320 XAS Compact Slide Black. 9" length barrels or 4.6" length threaded barrels (compact length) Compatible for 9mm applications Specifications for Norsso P320 XAS Compact Slide: Manufacturer: Norsso Gun Make: SIG Sauer Gun Model: SIG Sauer P365 Caliber: 9mm Luger Optic Cut: Trijicon RMR Color: Black Length: 3.9 in 6.5 in Width: 1 in Height: 1.375 in Fabric/Material: Stainless Steel Features of Norsso P320 XAS Compact Slide Optic mount thread pitch: #6-32 UNC Cosmetic/Lighting Porting Compensated barrel ports (C pattern) Package Contents: Norsso P320 XAS Compact Slide What firearm models does the manufacturer say Norsso P320 XAS Compact Slide is compatible with? The manufacturer suggests that Norsso P320 XAS Compact Slide is compatible with SIG Sauer P365Norsso N320C-XAS-RMR-BLK: P320 XAS Compact Slide Black