H&K Heckler & Koch

UMP Pistol Grip Stripped & Incomplete - 3 Position (0,1,F) Pictogram New German HK UMP 3 position lower.

HK UMP Demilled Receiver Section This is a demilled factory HK UMP rear receiver section that is perfect for the new Tom Bostic USC-UMP conversions. This section is the perfect length in order to do...

HK UMP Catch Release Lever Or Trip Lever For All UMP Lowers  

HK UMP Release Lever Spring For All UMP Lowers  

HK German UMP Folding Buttstock  Brand new German HK folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). All UMP folding buttstocks come with an HK date...

HK G36 & UMP Buttstock Push Button This is a factory HK German replacement button for the HK G36 and HK UMP stock.

HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only  Compatible With: HK UMP HK G36    

HK Ratched Wheel Notched Disk For 3 Position Lowers Compatible With: HK G36 HK UMP

HK UMP & G36 Left Side Safety Selector Lever With Axle - 3 Position Navy Compatible With All Navy 3 Position Lowers (0,1,F): HK UMP HK G36

HK UMP & G36 Right Safety Selector Lever For All 3 Position Lowers Only  

H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring Trigger Spring For All HK UMP & G36 Lowers

Heckler and Koch German made USC and UMP Universal Barrel Roll Pin HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand...