P365 Slides *FUSE length *use 4.3" barrel *can use 4.3" fuse threaded barrel, or regular barrel *Ported barrels for the fuse are in the works! P365 Macro comp slides *uses the 3.1" barrel P365 XL slides *uses the 3.7" barrel Finish: Black Nitride QP, its the king of ultimate durability in professional coatings. doesn't rub off after mild use like PVD or DLC Material: Hardened Stainless Steel Simplicity is key, OEM sig slides with aggressive slide serrations. We will be adding more sizes and Optic cut options as we expand our slide offerings. Quality Stainless P365 slides by Mischief Machine *Holosun K footprint is the modified version, (uses stronger M4 screws instead of the M3 screws, most new Holosun optics come with these screws) * Don't want to install the small parts? add on a Slide completion kit and iron sights! NOT INCLUDED: Barrel, recoil spring, sights (sights are optional). *Fuse slide > highly recommend Sig Guys 14 Lb steel recoil spring assembly. slide completion kit (optional) Optic not included.