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
Picatinny - Dual Folding Adapter - Stabilizer
Strike Industries
Now: $167.95Was: $197.99Strike Dual Folding Adapter - Stabilizer This new stabilizer is the perfect option for the MP5 or MP5K platform that utilizes a 1913 picatinny back plate. For a quick and easy ambidextrous folding action. The Strike Dual Folding Adapter is a...HKP-21288Now: $167.95Was: $197.99 -
On Sale
T65 Rifle Parts Kit - Gas Piston - Vintage Taiwanese
Other
Now: $899.95Was: $1,119.95Taiwanese T65 Gas Piston Rifle Parts Kit - Vintage We have a limited number of these super rare gas piston rifle parts kits. Each kit was used in Central & South America during active military conflicts and civil war. These kits are heavily...HKP-19676Now: $899.95Was: $1,119.95 -
On Sale
Link Anchor Poly Handstop
Strike Industries
Now: $16.95Was: $19.95Strike Industries Link Anchor Poly Handstop The LINK Anchor Handstop is made from a heat-resistant polymer that allows comfortable grip in any shooting condition. It has a low profile design that allows mounting through any MLOK or KeyMod openings. The...HKP-19645Now: $16.95Was: $19.95 -
On Sale
HK P30SK Compensator - Rail Mount
HKP HK Parts
Now: $134.95Was: $169.95HKP HK P30SK Rail Mount Compensator - Black This HK P30SK rail mount compensator is the perfect accessory brought to you by HK Parts. This compensator has a sleek design that flows with the lines of the firearm for a seamless addition.The HK Parts P30SK...HKP-20171Now: $134.95Was: $169.95 -
HK Pistol O-Ring - Barrel - .40 S&W
H&K Heckler & Koch
$4.95New HK German Black .40 Cal Barrel O-ring For All .40 Caliber Threaded Barrels This factory part is a high wear and replacement item as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup and increased accuracy...HKP-02126$4.95 -
HK45, HK45 Compact Magazine Spring - 10 Round
H&K Heckler & Koch
$6.95Heckler and Koch 10 Round Magazine Spring for HK45, HK45 Compact Factory German HK magazine spring for the 10-round HK45 and HK45 Compact magazines. Made from high-strength steel and designed to maintain proper feeding pressure for reliable function...HKP-01848$6.95 -
HK MP5, HK90 Series Trigger Box - Semi Auto - Billeted
HKP HK Parts
$69.95HKP HK Parts USA America Made Trigger Pack for HK90 Series, Century, PTR, and Zenith This part is a perfect 922r compliant part as it counts as one of the needed US-made parts. Each unit comes with new style updates for ease of putting parts into...HKP-02384$69.95 -
HK MP5, HK33, HK53, HK93 Catch with Roller for SEF and Navy Trigger Packs
H&K Heckler & Koch
$8.95H&K Friction Sear For SEF, Navy Trigger Packs New HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.HKP-16198$8.95 -
Out Of Stock
HK VP9 Match MOD 1 Compensator
HKP HK Parts
$179.95HK Parts MOD 1 Compensator: H&K VP9 Match The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker. Each MOD 1 comp...HKP-21799$179.95 -
On Sale
HK91, G3 20 Round Magazine - Steel - Refinished - BLEMISHED
H&K Heckler & Koch
Now: $47.95Was: $84.95H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Refinished - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK G3 factory steel...HKP-21587-BNow: $47.95Was: $84.95 -
HK33, HK53, HK93 A3 Telescopic Stock - OD Green
MKE
$259.95MKE Telescopic Stock in OD GREEN for HK33, HK53, HK93 The MKE telescopic HK33 stock is an easy-to-install telescopic stock system designed to deliver superior comfort and reliable weapon control. The simple lock/release system is easy to operate,...HKP-21181$259.95 -
HK MP7 Piston Ring
H&K Heckler & Koch
$9.95HK German MP7A1 Piston Ring For Gas Piston New HK German MP7 piston ring. A high wear & tear item. Works on all HK MP7 models. Each ring is sold individually. 3X are needed for each piston. We suggest ordering 3 and swapping them all at the same time.HKP-17426$9.95