SIG SAUER P320 Compact/Carry/Full Size Slide Assembly w/X-Ray3 Day/Night Suppressor Sights 9mm Luger 3.9 in Barrel Optic Ready Nitron PVD Matte. Optic ready. Compatibility: ROMEO1-PRO ROMEO2 Delta Point Pro and RMR (requires sealing plate) footprint. For use with Standard 9mm 3.9in non-threaded or 4.6in threaded barrels. Warning: This does not void your firearm warranty. This slide is for 9mm barrels only and is not compatible with .40 .357 or .45 This product is the Slide Only (barrel and recoil assembly are not included). Specifications for SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights: Manufacturer: SIG SAUER Gun Make: SIG Sauer Gun Model: SIG Sauer P320 Caliber: 9mm Luger Gun Frame Size: Compact Optic Cut: Leupold DeltaPoint Pro Color: Black Length: 3.9 in Finish: Nitron Fabric/Material: Stainless Steel Included Accessories: XRAY3 Day/Night Suppressor Height Sights Condition: New Features of SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights Xray3 Day/Night Suppressor Height Sights; Durable Nitron Pvd Matte Black Finish; Removable Optics Plate With Top Accessible Screws; Package Contents: SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights SIG SAUER Infinite Guarantee What firearm models does the manufacturer say SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights is compatible with? The manufacturer says that SIG SAUER P320 Compact/Carry/Full Size Slide Assembly 9mm Luger w/X-Ray3 Day/Night Suppressor Sights is compatible with SIG Sauer P320SIG SAUER 8900958: P320 Compact/Carry/Full Size Slide Assembly w/X-Ray3 Day/Night Suppressor Sights 9mm Luger 3.9 in Barrel Optic Ready Nitron PVD Matte Stainless Steel Black