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 Mark 23 6.3mm Standard Rear Sight
H&K Heckler & Koch
$64.95HK Mark 23 Rear Sight - 6.3mm - Unmarked Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mmHKP-01620$64.95 -
HK P30 Series Trigger
H&K Heckler & Koch
$19.95HK P30 Series Trigger Compatible With: P30 9mm or .40 variants. P30L P30SHKP-02219$19.95 -
HK P2000SK Complete Recoil Spring Guide Assembly
H&K Heckler & Koch
$145.95HK P2000SK Complete Recoil Spring Guide Assembly Brand new HK German manufacture. Compatible With:HKP-01577$145.95 -
HK G36, SL8 Bolt Group Fork - Heckler and Koch
H&K Heckler & Koch
$12.95HK G36 & SL8 Bolt Group Fork For Cocking HandleHKP-01859$12.95 -
HK23E, HK13E Firing Pin - Titanium - US
HKP HK Parts
$49.95HK23E, MM23E, 13E Firing Pin - Titanium Grade 6 weapons grade titanium manufacture. Made in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the...HKP-17770$49.95 -
HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Axle Pin
H&K Heckler & Koch
$9.95HK Bolt Carrier Bolt Locking Lever Axle Pin - G3, 91, PTR & HK93, 33, 53 Brand new HK German bolt locking lever axle pin or cylinder pin for HK locking levers. Compatible With: G3, 91, PTR <HKP-17624$9.95 -
HK33, HK93, G3K Tactical Handguard
PTR
$129.95HK 33, 93, G3K & PTR (shorter length) Tactical Hand Guard - US Made This robust tactical forearm allows the addition of either 2, 3, 4, or 6-inch bottom and side rails, giving you the greatest...HKP-00367$129.95 -
HK33K Barrel - .556 / .223 - 12.7" - Threaded 15x1
RCM
$234.95RCM HK33K (5.56/.223) Barrel - Threaded 15x1HKP-02319$234.95 -
HK MP5K, SP89 Trigger Housing - SEF Navy - Clipped and Pinned
H&K Heckler & Koch
$199.95H&K MP5K/SP89 9mm SEF Navy Style Trigger Housing - Clipped & Pinned Each housing is clipped & pinned for the semi-auto shelf of the HK MP5K builds or SP89 firearms. Specifications:HKP-00407$199.95 -
HK MP5K, SP89, SP5K Cocking Tube Support - 9mm - Complete
H&K Heckler & Koch
$123.99HK German MP5K, SP89, & SP5K Cocking Tube Support Complete - New Each support is complete with a detent and spring installed. These can also be used to replace the plastic or cheaply made steel or...HKP-00399$123.99 -
HK MP5, MP5K Flash Hider - 3-Lug - Satin Titanium - 9mm
HKP HK Parts
$134.95HKP/H&K MP5/SP5 9mm Titanium Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3...HKP-18853$134.95 -
HK MP5, MP5K Sling Attachment Weldment - Ambi - Front End
HKP HK Parts
$14.95HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to...HKP-17881$14.95