Posted 3 Sep 2019 (edited) Excellent Condition HK-MR556A1-SD (BD) Complete Suppressed Upper Receiver with 12" Keymod FF Hand Guard. MR Barrel was Cut-down to 10.4", Crowned & Threaded 1/2X28 by TDyer Gunsmith. Installed a New-Like-new Gemtech "Patrolman" Titanium Suppressor with the gas block relieved/open to cycle with suppressor or with-out. The Short Patrolman Suppressor fits neatly inside the Hand Guard with a couple inches outside of the Hand Guard at the muzzle. ALSO INCLUDES an Excellent Condition/Like-New Factory HK E1 CAR Stock with Take-downTtool, (1) Like-New Factory (BD) 30rd Magazine, Like-New Factory HK Receiver Extension (Buffer Tube), Like-New HK Buffer & Buffer Spring, HK Ambi Sling Receiver Back plate and Castle nut and a Like-new Magpul MIAD Battle Grip. EVERYTHING IS IN EXCELLENT CONDITION AND LOOKS NEW.****Upper had approximately 200rds prior to the conversion and the suppressor had 90rds through it. The converted unit with & with-out the suppressor had 30rds of test fire by TDyer Gunsmith. Upper as Shown: Weight: <6.0# - O.A.L.: 22.75" sales@sidearmsams.com - 954-960-2596 Registered on a Form 3 for a Quick efile Transfer Florida Residents Subject to 7% Sales Tax Edited 3 Feb 2020 by Side Arm Sams Added Specs & free shipping Pompano Beach, Florida, United States Share this post Link to post Share on other sites