Optics-ready cut with cap. Machined steel adapter plates (sold separately) with integral recoil lugs; Serrated surface on the frame provides a tactile reference point; Slides are high strength steel with carbon-nitride "hostile environment" corrosion-resistant finish; Enhanced trigger has a nickel-teflon coated trigger bar, providing a smoother pull and cleaner break; Improved ambidextrous controls are easier to manipulate without being overly obtrusive; Higher grip saddle lowers the bore axis for quicker target acquisition, less felt recoil, and faster follow up shots; Sight configuration features a high visibility tritium front sight with a clean, black serrated rear; Hammer forged barrel from proprietary blend of cannon-grade steel for higher precision and greater strength than lesser barrels; Heavy-duty extractor functions as a loaded chamber indicator; Includes a full set of interchangeable backstraps and side panels