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/ 112 views You may also like Forgotten Weapons – BRT-HTA 98 views HR9SD HR9SD DB 127 views HR9SD