Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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HK P30SK Grip Panel Left Side - Large
H&K Heckler & Koch
$16.95Heckler and Koch large Grip Panel in black for the left side of HK P30SK grips The P30 incorporates interchangeable side panels for optimal fit. Easy-to-install modular back straps also allow the P...HKP-18075$16.95 -
HK VP9, P30, HK45 Front Sight 5.9mm - Green
H&K Heckler & Koch
$59.95Heckler and Koch HK VP, P30, HK45 Front Sight 5.9mm - Green Compatible With: HK VP9, VP9SK, VP40 HK P30, P30L, P30S, P30SKHKP-02370$59.95 -
HK USP Complete Sear - Old Style
H&K Heckler & Koch
$59.95H&K HK USP Old Style Complete Sear This sear is specific to the USP 9mm-Old Style.HKP-16991$59.95 -
HK USP Compact Right Side Ambidextrous Control Lever
H&K Heckler & Koch
$29.99Heckler and Koch HK USP Compact Right Side Ambidextrous Control Lever Compatible With: HK USP Compact 9mmHKP-02275$29.99 -
Out Of Stock
HK VP9, P30, USPC, P2000 Magazine Follower - 9mm, .40 S&W - White
H&K Heckler & Koch
$29.95Heckler and Koch 9mm and .40 S&W Magazine Follower for HK VP, HK P30, HK USPC, HK P2000 A great replacement item and one that is good to have on hand for spares as they do wear with use. CompatiHKP-18782$29.95 -
HK416, MR556, MR762 Buttstock Locking Bolt
H&K Heckler & Koch
$67.95H&K HK MR556/MR762/416 Buttstock Locking Bolt Compatible With: HK MR556HKP-16845$67.95 -
Out Of Stock
HK MR556 Bolt Head, Complete
H&K Heckler & Koch
$384.95H&K HK MR556 A1 Complete Bolt Head Brand new factory German bolt head with all the components to make the bolt head complete. Compatible With:HKP-02712$384.95 -
HK G36, SL8 Bolt Hold Open Catch
H&K Heckler & Koch
$59.95H&K G36/SL8 (5.56/.223) Bolt Hold Open Catch New HK German manufacture. Compatible With: SL8-1 SL8-6HKP-16378$59.95 -
HK USC to UMP Conversion ACR Stock Block
$139.95HK USC To ACR Stock Adapter A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. This offering is for the stock block and...HKP-17357$139.95 -
HK UMP, USC Hammer Spring - Left
H&K Heckler & Koch
$13.95Heckler and Koch Left Side Hammer Spring for All HK UMP and HK USC Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm.HKP-01898$13.95 -
HK21E Feed Mechanism, Complete - 7.62 / .308
H&K Heckler & Koch
$22,495.95HK21E Feed Mechanism Complete - German HK - DM1 Links New genuine HK date-coded and marked 21E complete feed mechanism. These are the last of the genuine feed mechs available and due to the HK...HKP-00584$22,495.95 -
$16.95