Evolution Gun Works Trijicon RMR/Holosun 407/507C Picatinny Red Dot Sight Mount Black. Our Holosun 407c / 507c / 508T picatinny rail mount allows you to easily and cleanly mount your Holosun with a Trijicon RMR footprint to a pictainny rail. This mount includes all of the necessary hardware to mount your red dot to a picatinny rail. This picatinny rail mount from EGW is precision CNC machined from aluminum and hardcoat anodized. It is a picatinny mount that allows you to mount your red dots like Trijicon RMR Trijicon SRO Holosun 407c Holosun 507c Holosun 508t and any other red dots with the same footprint to the a 1913 picatinny rail. It does not work with Weaver rails. Specifications for Evolution Gun Works Trijicon RMR/SRO Holosun 407C/507C/508T Swampfox Liberty/Kingslayer/Justice Picatinny Red Dot Sight Mount: Manufacturer: Evolution Gun Works Color: Black Finish: Anodized Fabric/Material: 7075 Aluminum Red Dot Sights-Footprint: RMR Attachment Type: Picatinny Package Contents: Evolution Gun Works Holosun 407C / 507C / 508T Picatinny Scope Mount Evolution Gun Works 49600: Trijicon RMR/Holosun 407/507C Picatinny Red Dot Sight Mount Black