Staccato P 9mm Luger - the Staccato P is chosen for its proven durability, reliability, accuracy, and performance. The Staccato P DPO ships with a front sight which, when used in conjunction with the appropriate Staccato 2011 optic mounting plate, is designed to co-witness with industry leading full-sized red dot optics such as the Leupold Delta Point Pro, Holosun 508/509, Trijicon RMR, Sig Sauer Romeo One, and others.