Heckler and Koch S&H Arms 3 Pin MP5 SD 9mm

Heckler and Koch MP5 SD Fleming Sear installed in a 4 position / 3rd Burst pack A3 Stock SBR MFG by RDTS with SS HE Silencer

Heckler and Koch MP5 with JAC Sear 3 pos pictogram with A2 Stock.  This is a registered sear by JAC.  You could move the trigger pack over to any other 9mm host with the timed bolt...

Heckler and Koch MP5 9mm A3 Stock Built on an original HK Pre-Ban 94   

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...

Heckler and Koch MP5A3 9mm Factory Machine Gun (Not a conversion) MFG in 1981.  You can replace any parts with factory parts(You don't need to CLIP and Pin anything, time hammers, or weld...