The Zaffiri Precision ZPS.2 Complete Upper for SIG SAUER P365XL is a precision-crafted, optics-ready slide that gives your SIG a unique look and enhanced characteristics. It's made to the tightest tolerances from billet 17-4 stainless steel, and it features a Cerakote finish that provides the highest level of corrosion resistance. The factory optics cut accommodates Shield RMSc-footprint optics. Slide lightening cuts reduce reciprocating mass for better recoil control. Heat-treated for reliable strength and long-term durability. Works with the new-style P365 extractor. Fits the SIG SAUER P365XL Works with the new-style P365 extractor Machined to the tightest tolerances from billet 17-4 stainless steel Cerakote finish for corrosion resistance Factory optics cut for Shield RMSc footprints Lightening cuts to reduce mass Heat-treated for reliable strength and durability