922r Compliant Parts
922r Compliant Parts are firearm components that adhere to the regulations outlined in 18 U.S.C. § 922(r). These laws require that certain imported firearms, like those from HK 922r, have a minimum number of US-made parts to be considered compliant. These parts can include triggers, hammers, barrels, and more. Ensuring compliance with 922r regulations is crucial for legal ownership of these firearms in the United States. Using HK 922r compliant parts not only ensures legal compliance but also maintains the performance and reliability of the firearm. It is essential for firearm owners to understand and follow these regulations to avoid legal repercussions.
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HK MP5 Trigger Group - AR Match
Magpul
$649.95Magpul AR Match Trigger Group for HK MP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR style match trigger group. This trigger group is a drop-in...HKP-20666$649.95 -
HK UMP .45 Conversion Kit
$1,099.95H&K HK UMP .45 Conversion Kit This kit optimizes the UMP platform by allowing the user swap between calibers in approximately 5 minutes. The Michael's machine semi-auto bolt pairs perfectly with the TPM and Gideon Shadow receivers as well as USC to...HKP-20623$1,099.95 -
HK MP5 Binary Trigger Group - SEF Navy - BFSIII - 10mm and .40 S&W
FA Franklin Armory
$879.95Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group 3 Position HK binary trigger group for the MP5 .40 and 10mm firearms. The BFSIII is ideal for tactical and competition use. The BFSIII provides greatly reduced...HKP-19663$879.95 -
On Sale
HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine
Michaels Machines
Now: $849.95Was: $999.95HK 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...HKP-18754Now: $849.95Was: $999.95 -
Out Of Stock
HK UMP, USC Kit - Caliber Conversion - 9mm - 30 Round
HKP HK Parts
$999.95HK Parts and Heckler and Koch HK UMP and HK USC 9mm Conversion Kit - Threaded Barrel 1/2x28 - 3-Lug This UMP, USC conversion kit will convert existing conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP...HKP-02285$999.95 -
Out Of Stock
HK UMP Conversion Kit - 9mm - Threaded 1/2x28
HKP HK Parts
$679.95HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28 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 in with...HKP-02287$679.95