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 -
HK VP9, VP40 Magwell - Low Profile - Tactical
HKP HK Parts
$44.95 - $59.95HKP HK VP9/VP40 Tactical Low Profile Magwell Low Profile, every day carry magwell for the HK VP9/VP40 pistol. The low profile mag-well is designed for the average every day VP owner. Whom would like the enhancements and competitive advantage a magwell...HKP-17802-M$44.95 - $59.95 -
HK MP5, 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 -
HK MP5 Pistol Stabilizing Brace - .22LR
SB Tactical
$149.95SB Tactical - HK MP5 .22LR Pistol Stabilizing Brace The SBT5-22 Pistol Stabilizing Brace® enhances your HK MP5 .22LR with an integral, side-folding polymer endplate. The SBT5-22 gives you all of the advantages of a pistol with improved control by...HKP-21226$149.95 -
HK MP5, SP5 Stock - A2 Fixed
Michaels Machines
$179.95HK MP5, SP5 Stock - A2 Fixed - US Made Each stock counts as one US-made compliant part. Perfect for that build where you US-made component is required for compliance. This is the finest US-made MP5 stock as it includes a rubberized backplate to mitigate...HKP-02314$179.95 -
HK MP5, HK90 Series Buttstock Push Pin - Large
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 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 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 -
Long Axle Selector Lever - SEF, 0,1 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 -
Out Of Stock
HK VP9 Optic Plate #2 - Trijicon RMR, Holosun, Swampfox - Red Dot Pistol Mount
HKP HK Parts
$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$39.95 -
HK MP5, HK91, G3, HK33, HK53, HK93 Push Pin Set
H&K Heckler & Koch
$15.49HK Heckler and Koch Set of Two (One Large and One Small) Push Pins -Used These are great replacements or spare parts to keep on hand. Compatible With: MP5, SP5, SP89 HK91, G3 HK33, HK53, HK93 PTR and GSG-5 family of guns. Please...HKP-00673$15.49 -
HKP Front Sight Blade
HKP HK Parts
$3.95HKP Front Sight Blade New US manufactured HK front sight blade. New US made. Compatible With: All HK front sight towers/triple frames.HKP-17551$3.95