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 SL8 Adjustable Buttstock Piece - Used - Gray
H&K Heckler & Koch
$19.95HK SL8 Adjustable Buttstock Piece Gray in Color - USEDHKP-20051$19.95 -
HK417, MR762 Brass Catcher
H&K Heckler & Koch
$624.95Heckler and Koch MR762, HK417 Brass Catcher - Black Factory HK brass catcher designed to capture and contain spent casings during live fire on MR762, HK417, and G28 platforms. Mounts directly to a Picatinny rail section on the handguard for a stable,...HKP-19179$624.95 -
Out Of Stock
HK G36K Barrel - 5.56 / .223 - 12.5"
HKP HK Parts
$499.95HKP HK G36K Barrel Brand new HK G36K barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36K barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the SL8/G36 style...HKP-18194$499.95 -
HK P30 Barrel - .40 S&W - 3.85"
H&K Heckler & Koch
$274.95HK P30, P30S .40 Barrel New HK German P30 standard factory length.HKP-02412$274.95 -
Out Of Stock
HK USP .45 Elite Incomplete Slide
H&K Heckler & Koch
$699.95USP .45 Elite - Incomplete SlideHKP-20560$699.95 -
On Sale
HK MP5, HK94, HK33, HK53, HK93 - MOE SL-S - FDE
Magpul
Now: $134.95Was: $234.95Magpul MOE SL-S - FDE- HK MP5, HK94, HK33, HK53, HK93 Magpul MOE SL-S MP5, HK 94 complete stock ready to drop in. Great option for those looking for different length options. Sleek and perfectly designed. The sleek profile, dual-side release latches, and...HKP-20489Now: $134.95Was: $234.95 -
HK P30SK Grip Wrap for Small Backstraps - Granulate
Talon Grip
$19.99TALON Grip - H&K P30SK - Granulate Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20240$19.99 -
HK P30SK Grip Wrap for Small Backstraps - Rubber
Talon Grip
$19.99TALON Grip - H&K P30SK - Rubber Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...HKP-20239$19.99 -
HK P30SK Grip Wrap for Medium Backstraps - Granulate
Talon Grip
$19.99TALON Grip - H&K P30SK - Granulate Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20238$19.99 -
On Sale
HK MP5K 40/10 SEF Navy Style Trigger Housing
H&K Heckler & Koch
Now: $143.96Was: $179.95H&K MP5K 40/10 SEF Navy Style Trigger Housing HK German MP5K 40/10 SEF Navy style clipped & pinned housing. New factory German housing that has the cutout for the bolt hold open found on the MP5 40/10 family of firearms. This housing is the best...HKP-20137-MNow: $143.96Was: $179.95 -
On Sale
AK Binary Trigger - Curved - BFSIII - 9mm
FA Franklin Armory
Now: $485.99Was: $534.95Franklin Armory BFSIII® AK-C1 for the AK Platform - 9mm The Binary Firing System GEN 3 (BFSIII) is a 3-position trigger. In position 3 it fires one round on pull and one round on release, making this trigger ideal for both tactical and competition...HKP-19730Now: $485.99Was: $534.95 -
HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized
H&K Heckler & Koch
$59.9520 Round Steel Magazine HK L.E.O - HK 91, G3, PTR .308- LEO Laser Marked Perfect for the avid collector, HK .308 factory steel 20-round all-steel magazine. Each magazine starts as a handpicked unit and is expertly broken down and refinished, inside...HKP-19333$59.95