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 Firing Pin
H&K Heckler & Koch
$19.95HK G3, HK91, PTR 762/.308 Firing Pin HK German, new factory part made from steel. Great for spares as this is a common wear item. Compatible With: HK G3HKP-00497$19.95 -
HK MP5 Magazine - 30 Round - .40 S&W, 10mm
H&K Heckler & Koch
$199.95H&K Heckler and Koch New HK German 30 Round Magazine HK MP5 40,10 Factory German MP5 40,10 magazine will fit all of the HK MP5 40,10 rifles and pistols, including the Vector, Coharie, and other...HKP-00430$199.95 -
Magpul M-LOK Rail Section - 3 Slots
Magpul
$18.95Magpul M-LOK 3 Slots Rail Section Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted...HKP-20495$18.95 -
HK MP5, HK91, HK93, MP5K Front Night Sight - Tritium
Meprolight
$59.99Meprolight Rifle Front Sight - HK MP5, HK MP5K HK91, HK93, PTR The Meprolight HK Mp5, 91, 93, 94 Rifle Front Sight, Green ML31506F.S Features:HKP-19703$59.99 -
HK417, MR762, G28 Buffer Tube Wrench
HKP HK Parts
$29.95HKP HK MR762/417/G28 Buffer Tube Wrench The perfect metric wrench to remove and install the MR762 & G28 castle nuts on the buffer tube. A perfect addition to have on hand for G28 buffer tube...HKP-17111$29.95 -
HK VP9, P30, HK45 Adjustable Suppressor Sights Superluminova - Green
H&K Heckler & Koch
$119.95H&K HK VP9, HK P30, HK 45 Adjustable Suppressor Sights Superluminova - Green HK OEM LPA Suppressor Sights with SuperLumiNova insert. Fully Adjustable in elevation and windage (front and rear sight...HKP-18756$119.95 -
Trigger Pack Hammer Spring - Extra Power - 5.56 / .223 - 7.62x51 / .308
H&K Heckler & Koch
$14.95H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power New HK German extra power hammer spring for all .308/.223 Semi & Full Auto Trigger Packs. This is a must have spare replacement part for youHKP-16447$14.95 -
HK90 Series Front Sight Sling Loop - Used
H&K Heckler & Koch
$24.95HK German sling loop, eyebolt or triple frame retainer pin for front sight tower - Used This HK OEM item is used and pulled from demilled HK firearms. This is a must have item for all of your...HKP-17058$24.95 -
HK VP9 Long Slide - Optics Ready - Complete
H&K Heckler & Koch
$489.95H&K HK VP9 Long Slide Optics Ready Complete Slide Kit New HK German VP9LOR slide kit to upgrade any existing VP9 model to the VP9L OR. This kit is a drop on replacement that come with everything...HKP-19836$489.95 -
HK Style 9mm 3 Lug Suppressor Adapter - Threaded 1/2x28 RH
Kaw Valley Precision
$36.95Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 1/2x28 RHHKP-19987$36.95 -
HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3 - USA
HKP HK Parts
$8.95HK MR556, HK416 & G36, SL8 Gas Piston Ring Replacement Combo Set - 3 Rings This is a high wear common repair & replacement item. The gas rings are prone to periodic breakage & wear, tear and require...HKP-17933$8.95 -
HK P7 Series Recoil Spring
H&K Heckler & Koch
$19.95Factory German HK P7 Recoil Spring This is a hard-to-find replacement part for the P7 series. This is a new HK German replacement or spare recoil spring. Compatible With:HKP-01077$19.95