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 MP5 A3 Retractable Buttstock Buffer
H&K Heckler & Koch
$27.95H&K Heckler and Koch A3 Buffer - Stock - Retractable Stock Buffer for HK MP5 These common wear items need to be replaced when they become yellow, brittle, and worn. Inspect your buffer for the...HKP-00074$27.95 -
HK USP Night Sight Set - Fully Adjustable - Tactical - Green
Meprolight
$159.99Meprolight HK USP Fully Adjustable Tactical Night Sight Set - Green Meprolight Tritium night sights for HK USP pistols are fully adjustable and the recommended tactical night sight of choice. The...HKP-01721$159.99 -
HK MP5, MP5K PDW Rear Sight Drum
H&K Heckler & Koch
$53.95MP5 Rear Sight Drum- German This item is the factory-correct rear sight drum for the MP5K PDW or MP5K-N family of firearms. This item is also a popular upgrade for many of the existing clones on the...HKP-00072$53.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Pistol Grip with Storage - RAL8000
H&K Heckler & Koch
$49.95HK Heckler and Koch's Pistol Grip for HK416, HK MR556, HK417, HK MR762, and G28. New HK German V7 factory pistol grip with storage compartment in the bottom of the grip. Superior fit and feel to any...HKP-17659$49.95 -
HK MP5, HK90 Series Hammer Axle for Trigger Pack
H&K Heckler & Koch
$2.77H&K 90 Series Hammer Axle For Trigger Pack HK German used hammer axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .237 inches (6.0mm). A great spare and must have...HKP-15444$2.77 -
On Sale
HK Replacement Screw for BFS Selector Levers
HKP HK Parts
Now: $1.39Was: $1.98HKP Binary Selector Lever Set Screw This replacement screw is to mount your Franklin Armory BFS selectors. A great spare screw to replace damaged screws or lost screws as they are small in dimension...HKP-20686Now: $1.39Was: $1.98 -
On Sale
HK VP9, USP, HK45 Handgun Grip
Hogue
Now: $9.56Was: $11.95Hogue Grips Universal HK Handgun Grip The Hogue Grip hugs the contours of your gun. Molded from their modern" soft" but durable rubber" Handall grip sleeves are easily installed and provide years of...HKP-02519Now: $9.56Was: $11.95 -
On Sale
HK91, G3 Full Length Handguard - M-LOK
AIM
Now: $79.97Was: $99.95HK 91 RIFLE LENGTH HANDGUARD- M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-LOK accessories. Superior ergonomics and simple,...HKP-18176Now: $79.97Was: $99.95 -
Out Of Stock
HK MP5, MP5K Magazine - LEO Marked - 30 Round - LEO Marking
Other
$44.95Turkish Contract 30 Round LEO Marked Magazine for HK MP5, MP5K Replica LEO laser markings that replicate those found on factory magazines. This is a Turkish contract 30-round magazine for MP5 and...HKP-22487$44.95 -
HK MP5, MP5K Dual Magazine Clamp Bundle - 9mm
HKP HK Parts / KCI
$119.95KCI Dual Magazine Clamp Bundle - for 9mm HK MP5 The MP5, MP5K magazine grip or dual magazine clamp. Fits all 9mm MP5 or MP5K curved magazines. Holds two magazines together for ease of use and easy...HKP-20479$119.95 -
Out Of Stock
HK USP Full Size Ambidextrous Control Lever Set
H&K Heckler & Koch
$117.95Ambidextrous Left & Right Side Control Lever Set. Genuine Heckler & Koch ambidextrous control lever kit includes left and right side control lever as well as the roll pin - everything that's needed...HKP-00916$117.95 -
HK P7 Series Cylinder Cleaning Brush
H&K Heckler & Koch
$14.95HK German P7 Series Cylinder Cleaning Brush Made by HK to make cleaning your P7 easier. A must-have for all P7 owners.HKP-00795$14.95