UMP / USC 922r Compliant Parts

HKP HK Parts US Made HK UMP Magazine - .45 ACP - 25 Round Made from advanced polymer material with steel feed lips just like the German UMP 45 magazine.  Compatible With: HK UMP .45 LWRC SMG .45 (This magazine is the factory OEM magazine for...

UMP, SMG .45 ACP 15 Round Magazine - USA Compact 15 round magazine will fit all HK UMP .45 caliber carbines, SMG's as well as the USC-UMP .45 caliber converted firearms. Each magazine features, steel feed lips, and robust polymer construction. Each mag...

US-Made UMP .45 Compliant Magazine Kit For All UMP .45 Magazines This kit is a drop-in replacement set that will give you two US-compliant parts towards 922r compliance. Made from high-impact polymer, just like the factory HK parts. The US parts kit...

HKP 25 Round Magazine - FDE for HK UMP   THIS SHADE OF FDE HAS BEEN DISCONTINUED.  STOCK UP AT HALF PRICE BEFORE THEY ARE SOLD OUT FOR GOOD. Made from advanced polymer material with steel feed lips just like the German UMP 40 magazine at a...

UMP, SMG .40 Cal - 30 Round Magazine Each 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Each magazine features, steel feed lips, enhanced polymer construction and all correct updated...

UMP 45 25 Round Magazine Body Only - USA Made New US made UMP .45 cal 25 Round Factory Mag Body. Each magazine body will fit all HK UMP factory firearms as well as the HK USC's that have been converted to accept UMP magazines. Each magazine is made in...

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 as 1 of the 3...

HK UMP & USC 45 ACP 8" Threaded Barrel HDPS UMP barrels are perfect for the USC to UMP conversions and 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...

HKP HK UMP/USC & G36 Flat Trigger Our flat trigger has spaced out serrations at the face of the trigger for a superior grip. Chamfered edges prevent the trigger face serrations from cutting into the operator's hands over prolonged range sessions...

Omega HK UMP .45 ACP Barrel - 3-Lug This is the newest barrel for the UMP to hit the market that will come with a removable 3-lug adapter. The 3-lug adapter will be the same spec as the MP5 3 lug, making your UMP more versatile when it comes down to...

Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made 922r compliant part. 100% USA...

G36 & HK UMP Hammer For Lower Or Trigger Group- US Made These hammers are a direct fit on the USC and SL8 platform.