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 VP9SK, P30SK Magazine Floorplate Extension - Locking
H&K Heckler & Koch
$23.00H&K VP9SK/P30SK Magazine Extension Locking Floorplate Secures the extension to the magazine body on P30SK and VP9SK magazine extensions. Compatible With: HK VP9SK/P30SKHKP-21993$23.00 -
HK417, MR762 Takedown Pin - Front - A4 Style
H&K Heckler & Koch
$43.99H&K MR762 A4 Receiver Front Takedown Pin German-made factory pivot pin for the MR762 A4. Will work with A1 models as well. Compatible With: HK MR762 A1 and A4 HK417HKP-21958$43.99 -
HK416, MR556, HK417, MR762 Pistol Grip Panel Kit
H&K Heckler & Koch
$72.99HK Heckler and Koch's Adaptive Pistol Grip Panel Kit with small and large sizes. The standard HK grip comes fitted with medium sized removable grip panels. This adaptive pistol grip kit supplies a full set of small and large interchangeable grip...HKP-21802$72.99 -
Carbon-Cleaner - 500 ml Aerosol
SchleTek
$32.95SchleTek Carbon Cleaner 500 ml Aerosol Time-saving removal of stubborn fouling. Special formula for heavily used firearms. Frequent and thorough gun cleaning is not only a prerequisite to achieve maximum performance with your firearm, but also a decisive...HKP-21766$32.95 -
Vector Arms V51 Retractable Stock
MKE
$549.95MKE V51 A3 Retractable Stock: Factory new MKE stock professionally converted with the correct collapsing length to fit Vector V51 rifles and pistols. This V51 stock was modified with a heavy profile, heat-treated collapsing rod insert for longevity...HKP-21469$549.95 -
HK G3 Recoil Rod - Demilled
H&K Heckler & Koch
$18.54H&K HK G3/91 Recoil Rod - Demilled These recoil rods were demilled from damage or broken end caps. Fully functional and sitll assembled with the spring, roll pins, nylon ring and captive pin. Perfect to have on hand for spares or custom builds.HKP-21298$18.54 -
HK VP9, VP40, P30 Replacement Kit - Comp Weight™
HKP HK Parts
$9.99Comp Weight™ - Replacement Kit - HK VP9, VP40, P30 Replacement Set for the HK Parts VP9, VP9L, VP40, P30 Comp Weight™/compensator. This includes the quick detach lever, side set screw, and bottom lever screw. Perfect for backup and spare...HKP-19458$9.99 -
HK MP5 Magazine - 30 Round - .40 S&W, 10mm - Gray - Used
H&K Heckler & Koch
$159.95H&K Heckler & Koch 30 Round Magazine for HK MP5 .40/10mm - Gray - USED These magazines are no longer available, and we have just a few remaining units. Once they are gone, they are gone for good. These magazines are USED and are...HKP-01726$159.95 -
Out Of Stock
HK G28 Flash Hider - Threaded 15x1 RH
H&K Heckler & Koch
$179.95H&K G28 Flash Hider - Threaded 15x1 RH Contains the factory correct thread pitch and markings. Rare here in the USA. Specifications: Made in Germany. Threaded 15x1 RH Compatible With: HK MR762 models and varaints HK 417 models and variants HK...HKP-18444$179.95 -
Out Of Stock
HK94 Barrel Shroud - Vertical Grip - Original - Vented
E&L MFG
$139.95HK94 Clone Original Vented Barrel Shroud w/ Grip This is the OEM HK part. The vertical grip is detachable and will not fit heavier barrels such as Vector or MKE barrels. Please Note: This will NOT fit 3 lug barrels.HKP-00020$139.95 -
B&T TP9, MP9 Brass Catcher - Side Rail - Picatinny
B&T Brugger & Thomet
$55.95B&T TP9/MP9 Picatinny Brass Catcher Side Rail New Swiss Made. Fits the brass catcher for the TP9, MP9 firearms. Please note that the hardware is not included as they are riveted on at the B&T factory in most cases before shipping however, the...HKP-17296$55.95 -
B&T TP9 ,MP9 Barrel Guide - Suppressor Adapter
B&T Brugger & Thomet
$419.95Brugger and Thomet's Barrel Guide and Suppressor Adapter for your B&T TP9 and B&T MP9 Swiss B&T manufactured barrel adapter assembly for the TP9, HK MP9 and SSP models. Allows the user to install current B&T model suppressors on...HKP-17299$419.95