C&H Precision Weapons Optics Adapter Plate - Walther Defense Pdp 2.0 - WLPDP20-ACRO-XL-ST. Since all the mounting hardware is replaceable if any mounting hardware is damaged it can be replaced without replacing the entire plate. Mounting screws included. Specifications for C&H Precision Weapons Optics Adapter Plate Staccato Duo Low Witness: Manufacturer: C&H Precision Weapons Color: Black Gun Model: STI International Staccato P DUO Gun Make: Staccato Gun Type: Pistol Package Contents: C&H Precision Weapons Optics Adapter Plate Staccato Duo Low Witness What firearm models does the manufacturer say C&H Precision Weapons Optics Adapter Plate Staccato Duo Low Witness is compatible with? The manufacturer suggests that C&H Precision Weapons Optics Adapter Plate Staccato Duo Low Witness is compatible with STI International Staccato P DUO