UMP HDPS 7.87″ Barrel Threaded M16X1 LH
HK UMP or SBR USC Threaded M16X1 LH
Those barrels are made from blanks, turned on centers, machine finish. Stress relieved & Air gaged to +/- .0002″.
You can find reproduction barrels for the UMP and USC in two places only, BUT you will find the exact specs of the originals German made only here. Just compare the UMP barrel. Our barrels are an exact reproduction with all German specs. not a low profile barrel.
Also, our USC barrels have the same design of the UMP barrel by the chamber face allowing :
All barrels are compatible with USC bolt/carrier AND UMP bolt/carrier!!