HK UMP/USC Barrels

HK German USC, UMP Barrel Pin - German HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP & USC models. A great upgrade...

HK UMP, Omega .45 Cal 3 -Lug & Threaded Barrel - 16 x 1 Left HandNew USA made .45 cal 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16 x 1 LH and 3 lug tipped. The finest barrel for the UMP .45 on the market.

HK UMP, USC 45 ACP 8" Threaded Barrel HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a factory HK...

HDPS HK UMP 45 ACP 8 Inch Barrel - Flanged HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel.  Each barrel is an exact reproduction with all HK German specs. As a bonus, this item counts...

HK UMP, USC 45 ACP 8″ Threaded Barrel HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a...

HK UMP, Omega .40 Cal - 3 -Lug & Threaded Barrel - 9/16 X 24New USA made .40 cal 8" barrel for the UMP or Omega firearms. Each barrel is threaded 9/16 X 24 and 3 lug tipped. The finest barrel for the UMP .40 barrel on the market.

9mm Threaded Barrel for HK UMP 9mm

HK UMP, Omega .45 Cal Threaded Barrel - 16 x 1 Left HandNew UMP .45  16.5" threaded barrel for the UMP or Omega firearms. Each barrel is threaded 16 x 1 LH.

HK German Used Factory UMP .40 S&W Barrel These are police department trade-in barrels in good shape and perfectly usable.

HK UMP (9mm) Barrel - 3 Lug/Threaded  

Omega HK UMP .45 ACP Barrel 3 Lug Barrel New .45 cal barrel for the UMP or Omega firearms. This is the newest barrel for the UMP to hit the market that will come with a removeable 3 lug adapter. The 3 lug adapter will be the same spec as the MP5 3 lug,...

MM HK UMP (9mm) Barrel - 16.5 Inch   Fluted just like the factory HK barrels with 16 flutes.

HK UMP 9mm Conversion Kit - US-Made UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in, with the...

HK UMP 40 Caliber Conversion Kit With this UMP Conversion kit, UMP .45 sub guns can be converted to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub guns. This is a simple drop-in conversion. The time required to change...

HK UMP & USC 9mm Conversion Kit US Made - 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in with...

Barrel - HK USC 45 in Exc + shapeHK German Factory USC 45 barrel in Excellent + condition. Rare and hard to find. 

HK UMP .40 Caliber Conversion Kit This UMP conversion kit provides the necessary components to convert .45 sub-guns to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub-guns. This is a simple, drop-in conversion requiring a...

HK UMP 45 ACP 8 Inch Barrel - German German HK Cold Hammer Forged Barrel- UsedUsed PD trade in authentic German HK UMP .45 barrel. Polygonal and cold hammer forged. A rare part as the barrel is not a part that can be bought from HK separately. The only...

HK UMP, Omega .45 Cal 3 -Lug & Threaded Barrel - 16 x 1 Right HandNew USA made .45 cal 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16 x 1 RH and 3 lug tipped. The finest barrel for the UMP .45 on the market.

HK UMP (9mm) Barrel - 3 Lug Threaded This barrel is the perfect addition to your UMP conversion as it includes the 3-lug and threaded (1/2 X 28) end of the barrel for use with suppressors or factory HK 3-lug flash hiders.

HK UMP 9mm Conversersion Kit - USA - 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The total conversion requires approximately...

HK UMP 9mm Conversion Kit - Threaded Barrel 1/2 x 28 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those that have already done the USC-UMP conversion. The conversion parts are drop...

HK UMP 9mm BarrelUS made replica of the HK UMP 9mm barrel. Counts as one US made compliant part as an added bonus.