H&K Heckler & Koch

H&K UMP (9mm) Magazine Spring - 30 Round Perfect for spares and to have on hand as these are a consumable part.

UMP Paddle Magazine Release This is a common repair and replacement part as they are easy to break on the UMP lower. Simple and easy to install with no gunsmith needed or required. Compatible...

HK German UMP .40 Cal Parts Kit - Used HK UMP .40 German parts kit complete with all the factory HK parts minus the receiver. Perfect for those who are doing a custom build or for spare parts. Click...

HK German UMP .45 Parts Kit- Used PD Trade-In UMP .45 German parts kit complete with all the factory HK parts minus the receiver. PD trade-ins are in good shape. Click this link to complete your...

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    

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