H&K Heckler & Koch

H&K UMP (.45 ACP) 25-Round Magazine Spring Perfect for spares and to have on hand as these are a consumable item that needs to be replaced from time to time. A must-have item if you own a USC/UMP...

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...

UMP Pistol Grip Stripped & Incomplete - 2 Position (0,1) Pictogram New HK German manufacture, rare and hard to find. If you have an HK USC you can use this housing with the USC lower internals...

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