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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HK91, G3 Cocking Handle - Extended
HKP HK Parts
$64.95HKP HK91, G3 Extended Cocking Handle - Extended Extended cocking handle designed to improve grip and leverage on HK91 and G3 pattern firearms. The enlarged profile provides increased surface area for easier manual operation, particularly during charging...HKP-00199-M$64.95 -
HK P30, P2000 Short Reset System
Grayguns
$90.00Grayguns HK P30, P2000 Short Reset System Replicate Grayguns' custom in-house short reset conversion with a drop-in kit for your HK P2000 or P30 without a thumb safety. Cut from bar stock steel, these kits provide an exacting fit for easy install. The...HKP-19755$90.00 -
HK MP5, SP5, PDW Rear Sight Drum
HKP HK Parts
$34.95HKP MP5, SP5 & PDW Rear Sight Drum Factory correct HK spec USA made MP5, SP5, MP5K PDW & HK94 rear sight drum. This is also the correct rear sight drum for the MP5K PDW or MP5K-N family of firearms. This is also a very popular upgrade for many of...HKP-18202$34.95 -
HK VP9SK, P30SK Magazine Floorplate - 9mm - Extended - Rubberized
H&K Heckler & Koch
$22.95HK German VP9SK & P30SK Rubberized Extended Magazine Floor Plate VP9SK, P30SK factory German manufactured extended rubberized magazine floor plate fits all VP9SK & P30SK magazines. The perfect floorplate if you want a place for your pinky when...HKP-18086$22.95 -
HK P9, P9S Recoil Buffer
HKP HK Parts
$19.95HK P9S Recoil Buffer Fits All 9mm & 45 P9 & P9S Models This is a must-have replacement item as the buffer will degrade and fall apart with use and age. Replacing the P9 buffer is the most common wear and replacement part on the P9 series of...HKP-01449$19.95 -
HK Locking Roller Pin - Bolt Head
H&K Heckler & Koch
$9.95HK Heckler & Koch HK Pin - Roller - Locking - Bolt Heads HK roller retainer pin or clamping sleeve (holds roller retainer plate in place). Each retainer pin works with all roller retainer plates & springs. All 3 types including oval-shaped...HKP-00066$9.95 -
HK91, G3, HK53, HK93 Cocking Lever Elbow Spring
H&K Heckler & Koch
$5.74New Style Cocking Handle Lever Spring - German This is the latest HK German spring design with the factory HK anti-corrosion plating applied. The factory HK springs last longer and is more tolerant to corrosion. A perfect upgrade for your older...HKP-00348$5.74 -
On Sale
HK MP5 Magazine - 9mm - 40 Round
AC-Unity
Now: $19.95Was: $24.95AC-Unity 40 Round HK MP5 9mm Magazine ADD QUANTITIES TO CART TO SEE BULK PRICING DISCOUNTS The AC-Unity 30 round MP5 magazine is a lightweight, impact resistant and reliable magazine for all 9mm HK MP5, SP5, MP5K, SP5K and clones. Constructed from...HKP-20156Now: $19.95Was: $24.95 -
HK P30 Series Light Trigger Return Spring
H&K Heckler & Koch
$7.95Light Trigger Return Spring This spring is a popular choice for those who opt for custom trigger pulls and spring conversions. It's also known as the "light" trigger return spring for the P30 series of pistols. Converts a V2 heavy LEM to a light V1...HKP-01801$7.95 -
Out Of Stock
HK MP5, AP5 Telescopic Stock
MKE
$314.95MKE HK MP5, AP5 Telescopic Stock The missing piece to add the iconic appearance to your MP5-AP5 Clone. The collapsible design offers a custom length of pull for optimal comfort and control, while the easy-to-install mounting system offers...HKP-21183$314.95 -
On Sale
Uzi Magazine - 9mm - 32 Round - Military - Used
IMI
Now: $18.95Was: $24.95Uzi 32 Round 9mm Magazine - IMI - Used Good Condition+ Factory Original Israeli IMI all steel production, 32rd 9mm magazines produced for the German army. German mags were military, they were not offered as a commercial magazine. As an added bonus these...HKP-18683Now: $18.95Was: $24.95 -
Heckler & Koch No Compromise Decal
H&K Heckler & Koch
$1.95Heckler and Koch No Compromise Decal Show your support for the HK 416 weapon System. HK shows no compromise as the worlds finest firearms manufacture the world over! Specifications: Size: 4 in. Circle WeatherproofHKP-17157$1.95