H&K Heckler & Koch

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...

30 Round Magazine - LEO Marked - Used - UMP .40 S/W Each 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Used in good condition. The...

Heckler and Koch Ump Barrel made in Germany  These are police department trade-in barrels in good shape and perfectly usable.

HK German All Steel UMP Carrier Guide This is the steel piece the guides the UMP bolt carrier. Compatible With: All HK UMP lowers

German UMP .40 factory F/A Bolt Group - Complete This item is used in very good shape.

HK UMP .40 S&W Caliber Conversion Kit - Used Complete conversion kit designed to convert HK UMP and compatible .45 caliber sub-gun platforms to .40 S&W. This kit includes factory German HK...

HK German Factory UMP  Receiver Section - Extended Demilled factory HK UMP rear receiver section perfect for a USC-UMP conversion. With the folding stock attachment point intact right in front...

New HK German USC/UMP 9mm Extractor This is the perfect spare part to have for your UMP or USC 9mm conversion. Hard to find and only available here at HKPARTS.

HK UMP Firing Pin - Retainter Pin   This is the pin that trips the trip lever on the UMP lower.   Compatible With: HK UMP