Made from high-quality 416 stainless steel, this pistol lives up to today's highest expectations while maintaining the unmatched Palmetto State Armory value. Chambered in 5.7x28mm, The 416 stainless steel Cerakoted slide offers maximum corrosion protection to ensure longevity in the life of your pistol. This PSA 5.7 Rock Slide needs a barrel and recoil spring assembly and it will be ready to install on your PSA 5.7 Rock frame. This slide is designed to work with Glock-compatible sights. This 5.7 Rock optics-ready slide is cut for direct mount Shield footprint optics, excluding Leupold Delta Point Pro. Included are two adapter plates, one for RMR optics, and one for Docter cut optics.