Atlas Gunworks 2011 slides provide match-grade geometry for Open and Limited builds where slide mass, sighting system, lockup, and cycling behavior are engineered together. Atlas machining tolerances give custom builders a serious starting point for a pistol that must stay consistent through a season of major matches, not merely look refined on the bench. Optic-cut slide configurations support dot-driven Open and Carry Optics-style project requirements where applicable, while serration patterns provide deliberate purchase for press checks and malfunction work. Ported or compensator-oriented configurations let Open builders coordinate the top end with barrel length, comp design, ammunition, and recoil spring selection. Limited setups can emphasize iron-sight geometry, balance, and return speed without adding unnecessary complexity. Slide selection must follow the frame and barrel plan: verify 1911 versus wide-body 2011 pattern, length, breech face/caliber, sight cut or optic interface, extractor system, and required fitting before ordering. Pair the slide with a properly matched Atlas or compatible frame, match barrel, fire-control package, and recoil system. Correctly fitted, an Atlas slide helps turn a parts list into a repeatable competition platform rather than an assembly of premium components. Fast same-day shipping on most orders at Shooters Connection.