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 USP Pistol Armorers Manual
H&K Heckler & Koch
$19.95HK USP Pistol Armorers Manual Each manual has 34 pages in total and fully covers the USP better than any other manual available. Also contains parts numbers and many diagrams. This is the newest USP...HKP-00725$19.95 -
HK MP5, HK53 Locking Roller for Bolt Head - 9mm - 8.02mm
H&K Heckler & Koch
$39.95H&K +2 Roller For Bolt Head 8.02mm - Over-sized New HK standard (8.02 mm) locking roller. The proper roller size is essential for a proper bolt gap. New HK German, not surplus or used out-of-spec...HKP-00507$39.95 -
On Sale
UZI Magazine - 32 Round - New Old Stock
IMI
Now: $22.46Was: $59.95Uzi 32 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowned Mec-Gar magazine manufacturing company with IMI Licensing. An all-steel production and a blued finish to...HKP-21230Now: $22.46Was: $59.95 -
HK91, G3 Handguard - M-LOK
HKP HK Parts
$159.95 - $169.95HK G3, HK91 & PTR Low Profile M-LOK Forearm The HKP M-LOK tactical handguard installs easily to provide a solid base to mount M-LOK accessories. Designed from the ground up by HK enthusiasts with...HKP-17265-M$159.95 - $169.95 -
Picatinny Rail for HK Receivers - 13 Slot
HKP HK Parts
$52.95HKP Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting...HKP-18238$52.95 -
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 -
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 Replacement Screw for BFS Selector Levers
HKP HK Parts
$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-20686$1.98 -
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 -
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 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