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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HK53 Locking Piece #3 - 58 Degree
RCM
$49.99RCM HK 53 Locking Piece #3 - 58 Degree This is the proper locking piece for the HK33K and HK53 firearms as well as some HK51 builds.HKP-02523$49.99 -
Out Of Stock
HK33, HK53, HK93 Backplate - Painted
H&K Heckler & Koch
$69.95Steel Back Plate For HK93, 33, 53 & MP5, 94- Painted HK Black HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly painted HK Black. Manufactured from German HK backplates with factory tooling...HKP-16254$69.95 -
HK VP9 Micro Comp - Slotted - Threaded 13.5x1 Left Hand
HKP HK Parts
$29.95HKP 9mm Slotted Micro Comp - Threaded 13.5x1 LH The HK Parts Micro Comp is a lightweight micro comp that also functions as a thread protector. Quickly thread the micro comp on any 13.5x1 left-hand threaded 9mm barrel. Developed to migitgate recoil to...HKP-21653$29.95 -
HK VP9, VP9SK, VP40 Trigger Bar Spring - Complete
H&K Heckler & Koch
$51.95H&K HK VP9/VP9SK, HK VP40 Complete Trigger Bar Form Spring Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40HKP-16781$51.95 -
HK Trigger Spring - Burst Trigger Packs
H&K Heckler & Koch
$8.95Burst Pack Trigger Spring - HK German New HK German trigger return spring used on all HK 90 series burst trigger packs. MP5, HK53, G3 burst, 2 or 3 round burst trigger packs.HKP-01450$8.95 -
HK90 Series Catch Lever Axle - Ambi Trigger Packs
H&K Heckler & Koch
$5.95H&K Catch Lever Axle For Ambidextrous Trigger Packs This is the axle that is found in all ambidextrous trigger packs for the 90 series that retains the catch lever assembly.HKP-01552$5.95 -
HK21 Ammunition Belt with Starter Tab - 100 Round - DM1
H&K Heckler & Koch
$59.95H&K HK21 DM1 100 Round Belt with Starter Tab - 7.62x51/.308 Custom 100 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just isn't enough! Compatible With: HK21HKP-21890$59.95 -
HK VP9 Optic Plate #12 - Aimpoint ACRO P-1, P-2 - Red Dot Pistol Mount - Alloy
HKP HK Parts
$29.95HK VP9 Series Optics Ready #12 - Aimpoint ACRO P-1, P-2 - Optic Mount - Aluminum The finest all aluminum mounting solution for your HK VP9 series optic ready model. Each unit comes with 2 T20 steel torx plus screws for mounting the optic plate to your...HKP-21510-M$29.95 -
HK MP5 Spike Front Sight - Gen 2 - Orange
Blitzkrieg Components
$84.95Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 PTR-style front sight provides an advanced sighting system with improved visibility and precision. The spike-tipped post and bright orange stripe ensure a fast and clear sight...HKP-21100$84.95 -
On Sale
HKP Shirt - Short Sleeve- Green
HKP HK Parts
Now: $8.95Was: $14.95HKP Short Sleeve Shirt - Green Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High fidelity DTG...HKP-21022-MNow: $8.95Was: $14.95 -
HK G36 Lower, Complete - FBI 0,1
GSG9
$399.95HK GSG9 FBI (0,1) Lower for HKG36, HK G36K, and HK G36C New HK US FBI (0,1) G36 lower complete with internals. This is also a popular item for use on the SL8 to G36 conversions. Please note: Do NOT dry fire.HKP-20181$399.95 -
Out Of Stock
HK416, MR556 Ejection Port Cover Assembly
H&K Heckler & Koch
$89.95HK German HK 416, MR556 Ejection Port Cover Door Assembly Complete This is the newer polymer style cover found on the latest HK 416 and MR556's. This is the complete ejection port door assembly needed on all AR15 or MR556/HK416 models. Can also be used...HKP-16951$89.95