Jebs Choke Tubes Jebs Low Profile Red Dot Mount for Trijicon RMR- Holosun H5407/H5507C/H5508T Black 5E7B491E IW. In "redneck terms" it allows you to get your head down on the shotgun instead of picking your head up higher than needed. Your Shotgun must be DRILLED & TAPPED Mount DOES NOT attach to the Rib or Rail Features of Jebs Choke Tubes Jebs Low Profile Red Dot Mount for Trijicon RMR- Holosun H5407/H5507C/H5508T Black: Designed to fit most red dot sights on the market Enabling better target acquisition Allows you to get your head down on the shotgun Must be DRILLED & TAPPED Mount DOES NOT attach to the Rib or Rail Package Contents: Jebs Choke Tubes Jebs Low Profile Red Dot Mount for Trijicon RMR- Holosun H5407/H5507C/H5508T Black Jeb's low-profile mounts are designed to fit most red dot sights on the market all while enabling you to have better target acquisition. In "redneck terms" it allows you to get your head down on the shotgun instead of picking your head up higher than needed. Your Shotgun must be DRILLED & TAPPED Mount DOES NOT attach to the Rib or Rail IWJLPM2