Posted 10 Sep 2018 HK had 9 of the OSS Uppers left we bought them all we have 2 left, this is the upper that they produced for the HK MR55SD Rifle system special handguard to attach a recess suppressor system to barrel only 2 left these are for sale as MO Or Check only 1480.00 shipped questions gmhkspecialist@gmail.com sent to Gordon Miller 146 ashlan woods ct greer sc 29651 Greer, South Carolina, United States Share this post Link to post Share on other sites
