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hk h&k ump usc

  1. Guns & Gun Items For Sale (Non FN)
    Semi-automatic Heckler & Koch .45 caliber, Universal Self-Loading Carbine - the HK USC. This flawless gun has been converted in to a HK UMP via HDPS -- see HDPS.org UMP Navy Lower with full auto markings (but yes this is SEMI AUTO, NON NFA), duracoated HK Black. Has HDPS stock block with...