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 Pistol Field Cleaning Kit - 9mm / .357 SIG
H&K Heckler & Koch
$54.95H&K HK 9mm Pistol Field Cleaning Kit This is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Compatible With: 9mm .357 SIG Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch...$54.95 -
HK91, G3 Tactical Grip for Metal Grip Frames
Ergo
$59.95Ergo G3, 91, PTR Tactical Grip For Metal Grip Frames The ergonomically enhanced ERGO Tactical Deluxe Grips are compatible with all metal HK grip frames, both the semi-auto & full auto metal grip frames. Compatible With: HK 91, G3, PTR, CETME, 93,...$59.95 -
HK MP5, HK94 Optic Mount - Extended - Low Profile - Windowed
MFI
$124.95MFI MP5, 94 Extended Low Profile Scope Mount-Windowed MFI's newest addition to the line-up is a full inch longer, measuring 6.5 inches and featuring windows to view the factory serial number through the mount. This option is the longest, low-profile...$124.95 -
HK45, HK45C, USPC Magazine Floorplate - .45 ACP
H&K Heckler & Koch
$23.95H&K HK USPC/45/45C Magazine Floor Plate Ideal for use for concealed carry or a lower profile on the magazine footprint. New HK German manufacture. Compatible With: HK USP Compact .45 HK USP Compact Tactical .45 HK45C HK45C Tactical$23.95 -
HK416, MR556 - Recoil Buffer - Tungsten
H&K Heckler & Koch
$89.95H&K HK MR556/416 Tungsten Recoil Buffer The proprietary tungsten HK-manufactured buffer is one of the reasons why the HK 416 and MR556 are as reliable as they are. This is the perfect addition to all AR/M16 uppers. Compatible With: HK MR556 HK...$89.95 -
HKP HK MP5 .22LR Handguard - M-LOK
HKP HK Parts
$169.95HKP/H&K MP5 .22LR Forearm - M-LOK HK Parts brings you a long over due option for all the MP5 .22LR owners. Our new forearm takes the classic MP5 plastic forearm aesthetics from the MP5 .22LR and combine it with M-LOK compatible features for all sorts...$169.95 -
Tailhook - Mod 1 - Gear Head Works - Stocks and Braces
Gear Head Works
$129.95Gear Head Works Tailhook Mod 1 The GHW Tailhook clamps to pistol buffer tubes or adapter spuds ranging from 1.17" to 1.2" in diameter. It features a limited rotation sling swivel QD socket as well. Weighing in at a scant 4.5 ounces, you will never feel...$129.95 -
HK MP5, SP5K, HK94, SP89 Magazine Catch - 9mm - Latest Style
H&K Heckler & Koch
$64.95H&K Magazine Catch - Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds. Constructed from a single piece of steel unlike the...$64.95 -
HK Receiver Flat Bending Jig Set - Billet Aluminum
HKP HK Parts
$449.95Flat Bending Jig Set For All HK Style Flats - Billeted - Aluminum Aluminum billeted universal flat bending jig for all HK receiver flats including PTR .308 flats and the PTR/LSC flats. Each bending jig comes complete with all the pieces you need for...$449.95 -
HK USP Match Trigger Conversion Kit
H&K Heckler & Koch
$189.95H&K HK USP/USP Tactical Match Trigger Conversion Kit The HK USP Match Trigger Kit is a true drop-in kit for USP full-size pistols. This will fit all of the HK German USP 9mm, 40 & .45 Cal pistols. The match trigger kit will adjust the trigger...$189.95 -
M-LOK Vertical Foregrip - MVG
Magpul
$22.95M-LOK MVG® VERTICAL GRIP M-LOK SLOT SYSTEM The M-LOK MVG is a light weight, inexpensive vertical foregrip that attaches directly to M-LOK compatible hand guards and forends with no additional Picatinny rails required. Made from the same high quality...$22.95 -
HK Replacement Screw for BFS Selector Levers
HKP HK Parts
$1.98HKP Binary Selector Lever Set Screw This replacement screw is to mount your Franklin Armory BFS selectors. A great spare screw to replace damaged screws or lost screws as they are small in dimension and very easy to misplace. A must have set screw to...$1.98