C&H Precision Weapons Agency Optic System Optic Mounting Plate Holosun 407K/507K Matte Finish Black. Each plate is precision machined to the tightest tolerances on HAAS CNC machines and each plate goes through multiple quality checks before shipping. Specifications for C&H Precision Weapons Agency Optic System Optic Mounting Plate Holosun 407K/507K: Manufacturer: C&H Precision Weapons Color: Black Finish: Anodized Red Dot Sights-Footprint: Holosun K Optic Cut: Agency Optics System (AOS) Condition: New Included Accessories: Mounting Screws Package Contents: C&H Precision Weapons Agency Optic System Optic Mounting Plate Holosun 407K/507K Qty 1 - Optic Plate Qty 3 - 6-48 x .200 FH Plate Mounting Screws Qty 3 - 4-40 x .345 FHB Holosun 407k / 507k CHPWS EDC / EDC Enclosed Optic Mounting Screws Qty 3 - Stainless Steel T-Nuts C&H Precision Weapons AOS-HOLOk-NRS: Agency Optic System Optic Mounting Plate Holosun 407K/507K Matte Finish Black