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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On Sale
HK VP9 Magazine - 20 Round - 9mm
Strike Industries
Now: $62.96Was: $69.95Strike Industries 20 Round HK VP9 9mm Magazine Strike Industries +5 magazine extension coupled with a 15 round factory German magazine body adds 5 additional rounds total for a fully assembled 20...HKP-19628Now: $62.96Was: $69.95 -
HK VP9, VP40 Disassembly Lever
H&K Heckler & Koch
$24.95Disassembly Lever VP9 & VP40 New HK German VP9, VP40 take down lever. This is the lever that is designed to take the remove the slide from the frame. All steel manufacture. Compatible With:HKP-16818$24.95 -
Out Of Stock
HK45, HK45 Compact V3 Left Side Decock Only Lever
H&K Heckler & Koch
$49.95Decock Lever ONLY For Left Side Of Frame - HK45, HK45C This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame with the decock function only...HKP-02706$49.95 -
HK416, MR556 Enhanced Field Cleaning Kit
H&K Heckler & Koch
$169.95HK HK416/ MR556 (all variants & models) field cleaning kit- Enhanced Cleaning kit made both the HK 416, MR556 series of rifles and MG's. Includes: Saf-T-Clad Cleaning RodHKP-17061$169.95 -
On Sale
HK G36, SL8 Firing Pin
GSG9
Now: $26.06Was: $28.95HK G36, G36K, G36C & SL8 Firing Pin - USA A must have spare part for all G36 models. Made in the USA. Fully machined and nitrided for superior strength. Compatible With: G36 <HKP-18256Now: $26.06Was: $28.95 -
Out Of Stock
HK G36 Bolt Head, Incomplete
GSG9
$225.95G36 Incomplete Bolt Head - USA G36 bolt head allows the use of double stack magazines in your SL8 conversion to high-capacity G36, Magpul, or AR15 magazines.HKP-00802$225.95 -
HK UMP Release Lever
H&K Heckler & Koch
$9.95HK UMP Catch Release Lever Or Trip Lever For All UMP LowersHKP-01890$9.95 -
HK91, G3 Parts Kit - RCM Barrel
H&K Heckler & Koch
$518.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with...HKP-16577$518.95 -
Out Of Stock
HK33, HK53, HK93 Drum Magazine - 50 Round
X Products
$349.9550 Round Drum HK 93, 33, 53 & Clones, Custom Builds - X93, 33, 53 X Products 50 round drum for the HK93, 33, 53 family of firearms. Will fit all in-spec firearms made to German HK magwell specs...HKP-17812$349.95 -
On Sale
HK MP5 Axle Rod and Pin, Bolt Hold Open - .40 S&W, 10mm
HKP HK Parts
Now: $31.84Was: $49.95HK MP5 40, MP5 10 Bolt Hold Open Axle Rod & Pin Combo Each bolt hold open rod axle includes the 2 pre-drilled holes for the threaded activation screw and the clamping sleeve. This offering includes...HKP-17405Now: $31.84Was: $49.95 -
HK94 Barrel Shroud - SD Style
H&K Heckler & Koch
$99.95Heckler and Koch HK94 SD Style Barrel Shroud Features: Fits all factory HK94 rifles or barrels Made to factory German HK94 specs. DesigHKP-02100$99.95 -
On Sale
HK MP5, HK94 Tactical Folding Stock
Choate
Now: $202.46Was: $224.95Choate MP5 & HK94 Tactical Folding Stock Each stock is adjustable from 10" to 12" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or...HKP-00778Now: $202.46Was: $224.95