C&H Precision Weapons Staccato Duo Low Witness Adapter Plate Trijicon RMR Holosun 407c 507c 508c 508T Black. Each plate is precision machined to the tightest tolerances on HAAS CNC machines and each plate goes through multiple quality checks before shipping to our customers. Specifications for C&H Precision Weapons Staccato Duo Low Witness Adapter Plate: Manufacturer: C&H Precision Weapons Red Dot Sights-Footprint: RMR Optic Cut: Trijicon RMR Holosun Fabric/Material: 6061 Aluminum Color: Black Gun Model: STI International Staccato P Gun Make: Staccato Finish: Mil-Spec Type III Hard Anodized Weight: 0.125 lb Length: 5.5 in Width: 4 in Height: 2 in Package Contents: C&H Precision Weapons Staccato Duo Low Witness Adapter Plate Optic Plate 8-32 Plate Mounting Screw 4-40 RMR Mounting Screws 4-40 Holosun Mounting Screws Patented 416 Stainless Steel T-Nuts M4 (M3 Head) Mounting Screws What firearm models does the manufacturer say C&H Precision Weapons Staccato Duo Low Witness Adapter Plate is compatible with? The manufacturer suggests that C&H Precision Weapons Staccato Duo Low Witness Adapter Plate is compatible with STI International Staccato PC&H Precision Weapons STID-RH: Staccato Duo Low Witness Adapter Plate Trijicon RMR Holosun 407c 507c 508c 508T Black