Sig Sauer 8901572 P320 XFIVE 9mm 5" Black Slide & Threaded Barrel Assembly w/Fiber Optics Front & R2 Adj. Rear SightsThe Sig Sauer P320 XFIVE 9mm 5" Black Slide & Threaded Barrel Assembly w/Fiber Optics Front & R2 Adj. Rear Sights 8901572 is a top-tier upgrade designed for competitive shooters and firearm enthusiasts seeking enhanced performance. This Sig Sauer 8901572 complete slide assembly features a 5-inch match-grade barrel, constructed from stainless steel for exceptional accuracy and durability. This assembly is equipped with a fiber optic front sight and an adjustable rear sight, allowing for quick and precise target acquisition. The sights can also be swapped out for PRO footprint optics like the ROMEO2 or ROMEO-X PRO, providing flexibility for different shooting preferences. The recoil system includes a solid steel guide rod with 14lb and 12lb springs, offering tailored recoil management to suit your needs. Part of the Sig Sauer Conversion Kits lineup, this Sig Sauer P320 XFIVE Slide Assembly is compatible with both full-size X and non-X series grip modules, designed for use with 9mm, .357SIG, and .40S& W fire control units (FCUs). It is not suitable for .45ACP FCUs. The slide and threaded barrel are finished in Black Nitron, offering superior resistance to wear and corrosion. Fully assembled and ready to install, this slide assembly fits P320-XFIVE holsters, making it a perfect choice for those looking to elevate their P320 XFIVE to the next level of performance. Sig Sauer P320 XFIVE 9mm 5" Black Slide Barrel Assembly w/Fiber Optics Front & R2 Adj. Rear Sights 8901572