Posted 3 Sep 2019 (edited) NEW & UNFIRED HK-MR556A1 (BI) Complete Upper Receiver with a MR Barrel Cut-down to 10.4", Crowned & Threaded 1/2 X 28 by TDyer Gunsmith . Includes the Original Gas Block Relieved/Open for operation with a Suppressor & with-out a Suppressor, The Factory MR Bolt Carrier, 9" Keymod FF Hand Guard, Charging Handle and Front & Rear Troy Micro Folding Sights. New & Unfired except for the Test Firing by TDyer Gunsmith. Ready for your Registered SBR Lower. ALL NFA RULES APPLY $1,950.00 sales@sidearmsams.com or 954-960-2596 FLORIDA RESIDENTS ADD 7% SALES TAX Edited 3 Sep 2019 by Side Arm Sams Pompano Beach, Florida, United States Share this post Link to post Share on other sites
Posted 4 Sep 2019 (edited) Email Sent ( I will take it ) Edited 4 Sep 2019 by BELIKEBRO Share this post Link to post Share on other sites
