SIG SAUER Pro-Cut Slide Assembly w/X-Ray3 Day/Night Suppressor Sights P320 Sub-Compact/XCompact 9mm Luger 3.9 in Barrel Optic Ready PVD Stainless. For use with the standard 9mm 3.6in/3.9/4.7 non-threaded or 4.3in/4.6/5.5 threaded barrels. Optic ready. Compatibility: ROMEO1-PRO ROMEO2 Delta Point Pro and RMR (requires sealing plate) footprint. Warning: Its not compatible with .40 .357 or .45 Calibers. Does not void your firearm warranty. This product is the SLIDE ONLY (barrel and recoil assembly are not included). Specifications for SIG SAUER Pro-Cut Slide Assembly P320 Sub-Compact/XCompact/X-Full Size 9mm Luger w/X-Ray3 Day/Night Suppressor Sights: Manufacturer: SIG SAUER Gun Make: SIG Sauer Caliber: 9mm Luger Optic Cut: Leupold DeltaPoint Pro Finish: PVD Fabric/Material: Stainless Steel Features of SIG SAUER Pro-Cut Slide Assembly P320 Sub-Compact/XCompact/X-Full Size 9mm Luger w/X-Ray3 Day/Night Suppressor Sights XRAY3 Day/Night Suppressor Height Sights; Durable Nitron Black/PVD Coyote Brown Finish; Stylized Relief Cuts; Removable Optics Plate with Top Accessible Screws; Package Contents: SIG SAUER Pro-Cut Slide Assembly P320 Sub-Compact/XCompact/X-Full Size 9mm Luger w/X-Ray3 Day/Night Suppressor Sights SIG SAUER Infinite Guarantee What firearm models does the manufacturer say SIG SAUER Pro-Cut Slide Assembly P320 Sub-Compact/XCompact/X-Full Size 9mm Luger w/X-Ray3 Day/Night Suppressor Sights is compatible with? The manufacturer suggests that SIG SAUER Pro-Cut Slide Assembly P320 Sub-Compact/XCompact/X-Full Size 9mm Luger w/X-Ray3 Day/Night Suppressor Sights is compatible with SIG Sauer P320 Compact SIG Sauer P320 Carry SIG Sauer P320 SIG Sauer P320 Full SizeSIG SAUER 8900952: Pro-Cut Slide Assembly w/X-Ray3 Day/Night Suppressor Sights P320 Sub-Compact/XCompact 9mm Luger 3.9 in Barrel Optic Ready PVD Stainless Steel Coyote Brown