HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK MP5 to MP5K Housing Conversion Service
USA
$149.95MP5 to MP5K Housing Conversion Service At HK Parts we are now offering our own HK trigger housing conversion service. No one does a better job with quicker turn around then we do. This conversion is...HKP-20473$149.95 -
HK91, G3 Trigger Group - Ambi MATCH 4 Position - Clipped and Pinned
H&K Heckler & Koch
$1,495.95HK Heckler and Koch Safe, Semi 4 Position Ambi MATCH Trigger Group for HK G3 and HK91 Each ambidextrous match trigger group comes with a custom trigger conversion to a light smooth light trigger...HKP-20222$1,495.95 -
HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included
SB Tactical
$294.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment...HKP-19928$294.95 -
Out Of Stock
Swiss Military Single Point Sling - OD Green - Used
Other
$34.95Swiss Military Single Point Sling in OD Green - USEDHKP-19794$34.95 -
HK USC, UMP Optic Rail - Receiver - Polymer
H&K Heckler & Koch
$132.95H&K HK USC, UMP German Polymer Receiver Optic Rail German HK USC, UMP polymer top Receiver Rail with mounting hardware. Includes: Factory HK railHKP-19616$132.95 -
HK416, HK417, MR556, MR762 Pin Look Index
H&K Heckler & Koch
$6.95H&K HK 417/MR556/416/MR776 Pin Look Index Compatible With: HK MR556HKP-02639$6.95 -
HK416, MR556, MR762 Spring Lock Bolt
H&K Heckler & Koch
$9.99H&K HK MR556/MR762/416 Spring Lock Bolt Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16848$9.99 -
$5.95 -
HK UMP Magazine - 25 Round - LEO Marked - Used
H&K Heckler & Koch
$149.95German HK UMP .45 25 Round Magazine - Used Used PD trade-in factory 25 round magazines with HK factory-marked LEO markings. Condition of used parts will vary. All used parts are sold AS-IS...HKP-17917$149.95 -
HK UMP, USC, G36, SL8 Index Plate
H&K Heckler & Koch
$9.95HK Index Plate For All UMP, USC, G36, & SL8 Lowers Compatible With: HK UMP HK USC HK G36HKP-01860$9.95 -
Out Of Stock
$69.95 -
HK91, G3 Trigger Pack - Complete - Semi-Auto
H&K Heckler & Koch
$348.95H&K G3/91 (7.62x51/.308) Complete Trigger Pack - Semi Auto HK German manufactured trigger pack complete with all the parts being professionally converted from a factory German F/A trigger pack to...HKP-00217$348.95