H&K Heckler & Koch

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...

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.

H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.

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

New HK German Non-LE/Mil Marked UMP .45 ACP 25 Round Magazine The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Compatible...

H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW Like-new PD trade in HK German UMP .45 cal 25 Round Factory Magazines. These magazines will fit all UMP factory firearms as...

HK German UMP 9mm 30 Round Factory Magazine The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP/USC builds

HK UMP 9mm Parts Kit - Like New Condition Click this link to complete your build with an S5 Tactical receiver.. Includes:  Front Sight 9mm Bolt Group Complete 9mm Ejector Lever Folding...

30 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible...

New HK German 2 Position Lower Complete New German Heckler & Koch UMP Lower. 2 position settings (S,F). Each lower comes complete with all the factory internals. This item is ideal for the USC to...