Heckler and Koch MP5A3 9mm 4 Position 3rd Burst Lower A3 Stock Desirable Fleming Sear M-Lok Forend Surefire Flashlight GSL Phoenix Silencer  

Heckler and Koch MP5 with JAC Sear 3 pos pictogram, Vortex Strikefire optic, A2 stock.  This is a registered sear by JAC.  You could move the trigger pack over to any numbers of hosts...

Heckler and Koch Registered Sear Gun SP5K-PDW 9mm This is a customized Heckler and Koch SP5K PDW with a threaded 3 lug barrel by B&T USA LLC.  This has the new B&T USA LLC collapsible...

Heckler and Koch MP5A3 9mm Qualified Sear A3 Stock Collectible 4 Pos / 3rd Burst Lower

MP5A3 with 3 Pin Swing Down Lower Heckler and Koch This firearm is a 3-pin swing down registered receiver model, closely resembling an authentic factory HK design. It is compatible with all...