UMP / USC Series

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

H&K USC (.45 ACP) Magazine Follower New HK German USC 10 Round magazine follower.

HKP HK UMP 4 Prong Ported Flash Hider  4-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm while delivering flash suppression. Compatible...

HK Complete Sear G36, UMP, USC, SL8 Made in the USA Compatible With: HK UMP HK USC HK G36 HK SL8

HDPS HK UMP (.40 S&W/.45 ACP) Birdcage Flash Hider This part is made to fit all US-made or German HK-flanged style barrels. HK no longer makes a flash hider for the UMP Subgun. This is the much anticipated HDPS bird cage style UMP...

H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Rear Sight Support

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

HK German Hand Stop Screw     #21 Cylindrical screw, handstop 5 x 16 mm 219414

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

Aimpoint ACRO P-2, C-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint ACRO P2/C2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the...

HK UMP 3 Position Lower Grip Frame - Black - RARE - USED   ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used UMP Lower...

HKP HK MP5, MP5K Aimpoint ACRO Picatinny Sight Mount The HKP Aimpoint ACRO Picatinny mount is a rugged, low-profile solution for mounting your ACRO red dot sight. Designed to fit any firearm with a Picatinny rail. It ensures a secure fit, optimal sight...