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NEW & UNFIRED is a Factory HK-MR556A1 Complete Upper Receiver, New Production, Date Code (CC), 2022. S/N 143-033121.
Barrel was Cut & Crowned to 10.4″ and Threaded 1/2 X 28 by TDyer Gunsmith. Has a Factory HK 9″Inch T-Marked MLOK Hand Guard. Includes Factory Charging Handle, & Complete Factory MR556 Bolt Carrier Group and Factory Bird Cage Flash-Hider. Factory Gas Block and Barrel Port were Relieved/Opened for Suppressed & Unsuppressed Cycling.
Test Fired in both Configurations by TDyer Gunsmith Only, for Function.
Upper Receiver is a New Unfired & Unmolested. Includes a “Certificate of Authenticity” with Serial Number from TDyer Gunsmith for the conversion to 10.4″.
Ready for your SBR or Pistol Build.
ALL NFA RULES APPLY.