Holosun 407/507K Adapter Plate for HS507C – Black

The Holosun 407/507K Adapter Plate for HS507C Footprint is a purpose-built mounting solution designed to let HS507C-pattern optics be fitted to slides prepared for 407/507K or RMR footprints. It maintains a low profile while providing a consistent interface for compatible red dot sights. The plate is presented in a black finish and is intended for applications where direct-fit optic mounting is required.

Key Specifications

• The adapter measures 1.78" in length.
• The model is listed as 407/507K Adapter for RMR.
• The mount type is Trijicon RMR Footprint.
• Designed to adapt 407/507K installations to the HS507C footprint.
• This listing includes 1 piece.
• The style is specified as Red Dot Optic Mount.
• The subcategory is Mounting Accessories.
• The product type is Adaptor.
• The finish color is Black.
• The weight is listed as 0.08.

This adapter provides a straightforward, compact option for shooters who need to retrofit HS507C-pattern sights onto slides cut for 407/507K or RMR footprints. Its direct-fit approach helps preserve optic alignment and keeps the overall profile minimal, making it suitable for range use, carry builds, and duty applications where a reliable mounting interface is required.