H&K Heckler & Koch

Stripped UMP Pistol Grip - 4 Position (0,1,2,D) Pictogram

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

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 stocks come with an HK date code...

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

HK UMP & USC Bolt Catch  New HK German lower. Compatible With: HK UMP HK USC

H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch Pin

HK UMP & USC Bolt Catch Spring Compatible With: HK UMP HK USC