Zaffiri single billet 17-4 stainless steel slides are made with tight tolerances that allow an increase in accuracy and performance. Product Features Compatible with and designed to fit Sig P365 XL frame. 100% made in the USA Machined from billet 17-4 Stainless Steel Slide Model: ZPS.2 Does not include channel liner. (Not required in P365XL) Optic Cut: RMSc Black anodized optics cover plate and screws included Product Specifications Length: 6 inch Width: .90 inch Height: .86 inch Weight: 8.8 oz with no optic cut or coating