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
Hi-Viz HK VP9, HK P30, HK 45 Hiviz Fiber Optic Sight Set
Hi-Viz
$99.95Hiviz Fiber Optic Sight Set - HK VP9, P30, HK45 Hiviz fiber optic sight set with a laser engraved HK logo. Limited edition set. These sights are housed in a durable steel housing and feature a matte black finish. Features: Sight visibility in all...HKP-19420$99.95 -
HK417, MR762 Magazine Catch
H&K Heckler & Koch
$49.95H&K HK 417/MR762 Magazine Catch This is the actual mag catch for the MR762 and HK 417 family of firearms. A great spare to have on hand. Compatible With: HK 417 HK MR762HKP-16681$49.95 -
HK45, HK 45 Tactical Backstrap - Small - Black
H&K Heckler & Koch
$14.95H&K 45/45 Tactical Backstrap - Small - Black New HK Manufacture. This item allows you to customize the way your firearm feels in your hand. As this is the smaller backstrap it is an excellent choice for smaller hands or female shooters. Compatible...HKP-01672$14.95 -
Out Of Stock
$8.95 -
Out Of Stock
HK P30SK, P2000SK Barrel - 9mm - 3.25"
H&K Heckler & Koch
$269.95P2000SK & P30SK 9mm Barrel Brand new factory HK German barrel. Compatible With: P2000 SK P30 SKHKP-01558$269.95 -
HK USP, USP Tactical Lanyard Loop Insert - .45 ACP
H&K Heckler & Koch
$18.95HK USP/Tactical .45 ACP Lanyard Loop Insert This item does not have the lockout device installed for those who prefer not to have this device on their firearm.HKP-02385$18.95 -
Pistol Flash Hider - Vortex - .45 ACP - Threaded 16x1 LH
Smith Enterprises
$79.95Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH Each flash hider is threaded 16x1 LH twist. Made of 4140 ordnance grade steel, heat treated, and finished in the Melonite finish to add the best corrosion and abrasion resistance...HKP-02323$79.95 -
Out Of Stock
HK USP Slide Spider Grip Enhancer
ArachniGRIP
$19.87ArachniGRIP HK USP Slide Spider Grip Enhancer The Slide Spider is designed to assist new and practiced shooters alike, affected by weakened hand and/or grip strength, in operating the slide of their semi-automatic pistol. Once installed, the Slide Spider...HKP-18396$19.87 -
HK416, MR556 Ejector Spring
H&K Heckler & Koch
$39.99Heckler and Koch HK416 and HK MR556 Ejector Spring Compatible With: HK 416, MR556HKP-02538$39.99 -
HK G36, SL8 Extractor Axle
H&K Heckler & Koch
$9.95HK G36 & SL8 Extractor Axle This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK SL8 modelsHKP-01895$9.95 -
Out Of Stock
HK G36 Catch
H&K Heckler & Koch
$14.95Heckler and Koch HK G36 Catch, Trip Lever for bolt catch contact on All G36 Lowers As the bolt carrier moves forward the bottom of the carrier contacts the releaser lever of the catch. The catch releases the hammer, and the hammer begins to fall...HKP-01870$14.95 -
HK UMP, USC, G36, SL8 Index Plate
H&K Heckler & Koch
$9.95HK Index Plate For All UMP, USC, G36, & SL8 Lowers Compatible With: HK UMP HK USC HK G36 HK SL8HKP-01860$9.95