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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HK MP5 .22 Dual Magazine Clamp
HKP HK Parts
$32.95HK MP5 .22 Dual Mag Clamp/Coupler The MP5 .22 magazine grip or dual magazine clamp. Fits all MP5 .22 magazines. Holds two magazines together for ease of use and easy access to 2 magazines. This is the way to go if you want to have multiple...HKP-20856-M$32.95 -
HK417, MR762 Magazine - 20 Round
H&K Heckler & Koch
$69.95HK MR762 & HK417 - 20 Round Magazine This is the factory OEM magazine for the new HK 7.62 X 51mm rifles. It is the highest magazine capacity available for the MR762 and HK417 family of firearms. Compatible With: HK MR762 HK 417 HK G28HKP-01700$69.95 -
HK90 Series Barrel Chamber Face Cleaning Brush
HKP HK Parts
$25.99HKP Chamber Face Brush For All Barrels This brush was specifically designed to clean those hard-to-reach nooks and crannies in the barrel face. Threaded to fit all standard 8/32 US cleaning rods. Compatible With: HK91, G3, PTR HK33, HK53, HK93 HK...HKP-00140$25.99 -
M-LOK Vertical Foregrip - Short
HKP HK Parts
$24.95HKP Universal M-LOK Short Grip Short vertical grip for M-LOK. This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. Features: Just...HKP-20681$24.95 -
HK Push Pin - Butt Stock - German
H&K Heckler & Koch
$8.95HK German Butt Stock Push Pin Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. These are great replacement or spare parts to keep on hand as they fit all of the 90-series firearms below. The large push...HKP-00076$8.95 -
HK VP9SK, P30SK Magazine - 15 Round - 9mm
H&K Heckler & Koch
$49.00HK VP9SK & P30SK 9mm - 15 Round Magazine New German HK manufacture 15 Round 9mm P30SK, VP9SK mag. New factory fresh German HK manufacture. Compatible With: HK VP9SK HK P30SKHKP-18496$49.00 -
HK MP5, AP5 Magazine - 30 Round
MKE
$45.95HK MP5 30 Round Magazine - MKE These MKE MP5 30 round magazines are the perfect addition or replacement for your AP5 or MP5 pistol. The MKE magazine features the original MP5 design. Constructed of heat-treated steel for lasting...HKP-21184$45.95 -
HK VP9, VP9SK, VP40 Spring Set - Ultra Match
HKP HK Parts
$19.95HKP HK VP9/VP9SK, HK VP40 Ultra Match Spring Set Ultra Match drop-in spring kit will give your VP9, VP40 an even smoother, crisper, and lighter pull that helps promote consistent match-grade accuracy, and control, by dropping the trigger pull of your...HKP-17222$19.95 -
HK SEF Long Axle Selector Lever For Polymer Trigger Housings
H&K Heckler & Koch
$24.95HK SEF Longer Axle Selector Lever For The Polymer SEF Type Grips Or Trigger Housings - Used This is the factory-correct selector lever for SEF or SEF-style semi-auto-style trigger packs and grip frames. These are pulled from German HK SEF trigger...HKP-01105$24.95 -
HK USP, P30, P2000 Hammer Spring - Light
HKP HK Parts
$8.95HKP HK USP/P30/P2000 Light Hammer Spring Finally a New US Production 10 lb. Hammer Spring For HK USP, P30 & P2000. Brought about by many customers asking for a 2 lb. lighter hammer spring than stock (12 lb.). This is also a popular hammer spring used...HKP-16489$8.95 -
HK416, MR556 Retaining Spring - FFRS
HKP HK Parts
$4.99HKP HK MR556/HK416 FFRS Retaining Spring The retainer spring retains the handguard locking pin on the free floating rail system (FFRS). These can become damaged with the removal of the handguard screws. Once the spring is damaged, they require...HKP-21503$4.99 -
HK VP9 Optic Plate #2 - Trijicon RMR, Holosun, Swampfox - Red Dot Pistol Mount
HKP HK Parts
$29.95 - $39.95HKP HK VP9 9mm Holosun Mount Optics Plate #2 The finest aluminum mounting solution for your HK VP9 Series Optic Ready model. New solid billet machined aluminum optics plate. Each plate is CNC machined from a solid billet of ordnance grade aluminum,...HKP-19690-M$29.95 - $39.95