100% US Manufactured and Designed slide. This is a fully finished new slide. No need to send in yours; Cut from solid billet 17-4ph Certified Steel; Heat treated to spec; Attractive Side and Top Cut windows; Aggressive reduced & scalloped front; Angled rear serrations; Cut for the Shield Arms RMS Series optics (RMS, RMSc, RMSw, and SMS); Will also fit the Holosun 507K (with light modification), Sig Romeo Zero, Leupold Delta Point Pro, Swampfox Sentinel 1x16, JP Enterprises Jpoint, & Vector Optics Frenzy-S 1x17x24 MIC sights; Includes an anodized black optic cover plate with mounting screws for use without an optic installed