Contessa QD w/Xtra Long Picatinny Rail Top Left Handed Black 12mm/60 SB04 SX. Prepared using some of the highest quality materials out there these Red Dot Sight Mounts from the authorities at Contessa provide you with a great deal of reliable and productive service. Contessa has been making high quality Red Dot Sight Mounts for a long time and the Contessa QD w/Xtra Long Picatinny Rail Top is the response of their tireless campaigns and dedication to making sure you are shooting with some of the highest possible red dot mounts. When your search for a very good red dot mounting system has you wishing for additional options then you'll be delighted to come across the Contessa QD w/Xtra Long Picatinny Rail Top. Specifications for Contessa QD w/Xtra Long Picatinny Rail Top: Manufacturer: Contessa Color: Black Red Dot Sights-Footprint: Not Applicable Optic Cut: Not Applicable Features of Contessa QD w/Xtra Long Picatinny Rail Top QD mount with locking lever on the left or on the right for dovetail rails. Quick release system patented by Contessa that guarantees the return to zero between one release and another. Package Contents: Contessa QD w/Xtra Long Picatinny Rail Top Contessa SB04 SX: QD w/Xtra Long Picatinny Rail Top Left Handed Black 12mm/60