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 Spring - Bent Elbow with Roller - Semi - Trigger, Sear Pack
H&K Heckler & Koch
$29.95H&K Heckler and Koch Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller Each spring is a great replacement for the converted packs that have bent elbow springs or for those that used the original...HKP-00070$29.95 -
On Sale
HK MP5 Optic Mount - Pro - M-LOK
UTG
Now: $60.00Was: $74.99UTG HK MP5 Pro M-LOK Light Mount The UTG MP5 Pro M-LOK light mount securely attaches to front sight without interfering with the handguard. Made in the USA from lightweight, matte black, anodized...HKP-21784Now: $60.00Was: $74.99 -
HK Soft Case 42" Single Rifle Case - Black
H&K Heckler & Koch
$129.95H&K Soft Case 42" Single Rifle Case - Black Protects 42" rifles and shorter with dense padding and durable water resistant PET shell material. Velcro wraparound handle to combine carrying handles...HKP-20228$129.95 -
HK VP9SK, P30SK, P2000SK Magazine Spring - 10 Round
H&K Heckler & Koch
$6.95Magazine Spring A great wear and replacement item as this is a consumable part and prone to wear and tear. If your slide is not locking back on the last round or you are having issues with reliable...HKP-01480$6.95 -
HK UMP, USC Magazine Loader - .45 ACP
H&K Heckler & Koch
$49.95HK German Factory .45 Magazine Loader for HK USC and HK UMP Fits all HK German UMP .45 25-round magazines as well as the USC 10-round factory magazines. A great addition for your range time and to...HKP-00606$49.95 -
HK P30SK Slim Short Slide Release Lever Set
H&K Heckler & Koch
$89.95HK P30SK Slim/Short Slide Release Lever - German HK HK manufactured P30SK slimline style slide release set. This set replaces the factory P30SK stock slide release set that comes from the factory...HKP-18028$89.95 -
HK416, MR556, HK417, MR762 Detent Takedown Pin
H&K Heckler & Koch
$9.95Heckler and Koch HK417, HK MR556, HK417, HK MR762 Detent Takedown Pin Factory H&K takedown pin for MR556 A4. Compatible With: HK416, MR556HKP-02540$9.95 -
HK MP5, SP5, HK90 Series Paddle Mag Release Bushing - Full Auto - Used
H&K Heckler & Koch
$4.95H&K Full Auto Paddle Magazine Release Bushing HK German - Used This part is for use in all 90-series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is not for use on sHKP-02303$4.95 -
Out Of Stock
HKP 9mm Birdcage Style Flash Hider - Threaded 1/2x28
HKP HK Parts
$24.95HKP 9mm Birdcage Style Flash Hider - Threaded 1/2x28 Compatible with all 1/2x28 barrels up to 9mm in caliber for the opening of the hole diameter. Perfect for that HK build or other style firearm...HKP-17627$24.95 -
HK Selector Catch Lever Spring - Ambi Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch Lever This is the spring that powers the ambi lever that allows you to take apart any of the ambidextrous trigger packs. This lever spring...HKP-17328$12.95 -
On Sale
Tin Case with Flares - 26.5MM
Other
Now: $524.96Was: $899.95Tin Case with Flares - 26.5MM Sealed tin with 14 10-packs of flares for a total of 140 flares per tin. Each 10-pack of Polish military flares include 2 of each of the following: White Fire, Red...HKP-20794Now: $524.96Was: $899.95 -
On Sale
M-LOK Rail Section - 9 Slot
Magpul
Now: $19.96Was: $24.95Magpul M-LOK 9 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted...HKP-19570Now: $19.96Was: $24.95