Evolution Gun Works Leupold DeltaPoint Pro Sight Mount JPoint Redfield Accelerator and Optima H&K USP Black. These Red Dot Sight Mounts by Evolution Gun Works are constructed from 7075 aluminum and hard coat anodized for a lightweight yet rugged platform that will withstand the test of time. The Evolution Gun Works Leupold DeltaPoint Pro Red Dot Sight Mount For H&K USP is meant for quick installation so that you can easily replace your existing sight with a top-quality red dot mount. If you're seeking a highly-effective Heckler & Koch USP sight and don't want to have to hassle with a complex set of adapters later on this Evolution Gun Works Leupold DeltaPoint Pro Sight Mount For H&K USP is a reliable choice. However you must remove the rear pins from the mount for the Holosun 407K/507K to sit on the mount. If rear pins are removed the Holosun 407K/507K mount must be modified in order for it to work with the Holosun models. If rear pins are removed the Holosun 407K/507K mount will sit high enough for the Holosuns to sit on the mount. The Evolution Gun Works Leupold DeltaPoint Pro Mount For H&K USP is precision machined from solid 7075 aluminum with a hard coat anodized finish for a rugged lightweight platform. If you seek the finest in gun sights the Evolution Gun Works Leupold Deltapoint Pro Mount For H&K USP is the best mount for your needs. Specifications for Evolution Gun Works Leupold DeltaPoint Pro Sight Mount For H&K USP: Manufacturer: Evolution Gun Works Red Dot Sights-Footprint: Deltapoint Pro Included Accessories: Screws Optic Cut: Not Applicable Fabric/Material: 7075 Aluminum Color: Black Gun Model: Heckler & Koch USP Mount Type: Dovetail Fit: Heckler & Koch USP Sight Length: 1.604 in Width: 0.99 in Finish: Matte Black Hard Coat Anodized Gun Make: Heckler & Koch Gun Type: Pistol Condition: New Features of Evolution Gun Works Leupold DeltaPoint Pro Sight Mount For H&K USP: Fit Leupold DeltaPoint Pro JPoint Shield RMS/RMSc/SMS Redfield Accelerator Optima Holosun 407K/507K (the rear pins on the mount must be removed for the Holosun 407K/507K to sit on the mount) Package Contents: Evolution Gun Works Leupold DeltaPoint Pro Sight Mount For H&K USP What firearm models does the manufacturer say Evolution Gun Works Leupold DeltaPoint Pro Sight Mount For H&K USP is compatible with? The manufacturer suggests that Evolution Gun Works Leupold DeltaPoint Pro Sight Mount For H&K USP is compatible with Heckler & Koch USPEvolution Gun Works 49406: Optima/ JP Mount for H&K USP Black