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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Out Of Stock
HK SL8 Windage Adjustment Spring
H&K Heckler & Koch
$4.95HK SL8 Windage Adjustment Compression SpringHKP-16400$4.95 -
On Sale
HK VP40 Tactical Barrel - .40 S&W - 4.45" - Threaded 9/16x24
RCM
Now: $191.25Was: $212.50RCM HK VP40 .40 S&W Tactical Barrel - Threaded 9/16x24 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest...HKP-17370Now: $191.25Was: $212.50 -
On Sale
HK VP40 International Holster - RH
Comp-Tac
Now: $47.78Was: $74.95Comp-Tac HK VP40 International RH Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00...HKP-17470Now: $47.78Was: $74.95 -
HK MP5 Navy Housing - SEF - Clipped and Pinned - .40 S&W, 10mm
H&K Heckler & Koch
$149.95Heckler and Koch MP5 40,10 SEF Navy Style Housing - Clipped and Pinned - LIKE NEW A perfect upgrade for your HK MP5 40/10 build. This is the only SEF style housing available for the MP5 40/10 family...HKP-20577$149.95 -
On Sale
HK VP9SK Grip Wrap for Large Backstraps - Granulate
Talon Grip
Now: $18.00Was: $19.99TALON Grip - H&K VP9SK - Granulate Black - Large Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence...HKP-20233Now: $18.00Was: $19.99 -
On Sale
HK VP40 MatchWeight w/ Picatinny Rail
MatchWeight
Now: $67.49Was: $194.99Match Weight HK VP40 w/ Picatinny Rail The 2-piece compensator attaches with ease and only takes a few minutes to install. The compensator bolts onto your gun using two small screws, allen key...HKP-19902Now: $67.49Was: $194.99 -
On Sale
HK MP5 Build Kit - 9mm - Single Shot Reverse Stretch
H&K Heckler & Koch
Now: $1,399.95Was: $1,519.95California Spec Single Shot Reverse Stretch Kit - German & USA Made Parts: This kit was built with the CA market in mind. This kit has a specially designed locking piece that once installs it renders...HKP-19698Now: $1,399.95Was: $1,519.95 -
HK VP40 Holster - Infidel Ultra Max
Comp-Tac
$94.95Comp-Tac HK VP40 Infidel Ultra Max Holster The Infidel Ultra Max Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. The Infidel Ultra Max is designed...HKP-19623-M$94.95 -
HK417, MR762 Charging Handle Latch Spring
H&K Heckler & Koch
$9.95H&K HK MR762/417 Charging Handle Latch Spring This is the charging handle release latch spring. Compatible With: HK MR762 HK 417HKP-16600$9.95 -
Out Of Stock
HK V9P, P30, HK45 Rear Sight Set and Litewave - Green
Hi-Viz
$119.95Hi-Viz VP/P30/45 Litewave & Rear Sight Set - Green HiViz Litewave H3 Tritium/Litepipe sights combine the latest and greatest Tritium and Litepipe technology for amazing illumination in any light...HKP-18926$119.95 -
HK P7 PSP Front Sight 6.3mm
H&K Heckler & Koch
$23.95HK P7 PSP Front Sight 6.3mm Compatible With: PSPHKP-01336$23.95 -
HK Mark 23 Right Side Safety Lever
H&K Heckler & Koch
$33.95HK Mark 23 Right Side Safety LeverHKP-01787$33.95