HR9 Integrally Suppressed Upper0 by admin2024-01-232024-05-05 Our HR9 integrally suppressed upper with integrated MEAN bearing delayed bolt system. This system comes with our proprietary SD barrel, SD suppressor, two 40 round ExoMag magazines allowing you to mate this with any AR-15 milspec lower you may have. HR9SD 4 months ago/ 116 views You may also like Forgotten Weapons – BRT-HTA 100 views HR9SD HR9SD DB 129 views HR9SD