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
HK MP5K, SP89 Trigger Group - 9mm - 4 Position - Housing 0,1
HKP HK Parts
$0.00MP5K, SP89 Trigger Group 4 Position Housing 0,1- Safe, Semi Only Finally, a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 4 position factory German HK housing. Now for the first time, we...HKP-17239$0.00 -
Out Of Stock
HK MP5K, SP89 Trigger Group - 9mm - 3 Position - Navy Housing 0,1
HKP HK Parts
$0.00HKP/H&K MP5K/SP89 9mm Safe & Semi Only Navy Style Trigger Group - Clipped & Pinned Finally, a lower-cost alternative to the expensive and hard-to-find all-German HK FBI or 0,1 ambidextrous trigger group, now available in a 3-position Navy...HKP-17240$0.00 -
Out Of Stock
HK MP5K Barrel Extension and Faux Suppressor - 9mm - 3 lug
MFI
$179.95MFI MP5K 9mm Barrel Extension/Faux Suppressor - 3-lug Each faux suppressor is designed to attach to the 3 lug MP5K 3 lugged barrel and can be permanently attached (blind pinned) in place to get the overall length of 16.25"overall. Perfect for that rifle...HKP-18007$179.95 -
Out Of Stock
HK MP5K, SP89 Trigger Housing or Grip Frame - Ambi - Unmarked
H&K Heckler & Koch
$0.00H&K MP5K & SP89 Unmarked Ambidextrous Grip Frame Trigger Housing A genuine Heckler and Koch grip housing. Add your own customized markings to this trigger housing.This housing is made for ambidextrous trigger configurations. Trigger Pack...HKP-01448$0.00 -
Out Of Stock
HK SP5K 9mm SEF Contoured Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K SP5K 9mm SEF Contoured Trigger Housing - Clipped & Pinned Designed specifically for the HK SP5K, this SEF style trigger housing features contoured finger grooves and is clipped and pinned for a perfect fit. Please ensure you are using an SEF...HKP-17944$0.00 -
Out Of Stock
HK MP5K, SP89, SP5K Factory Hard Case - 9mm
H&K Heckler & Koch
$0.00HK SP5K, SP89, MP5K Tactical Hard Case Factory HK OEM Hard case that comes standard with the HK SP5K. Each factory HK case comes with the HK Logo Proudly displayed on the front of the case. Brand new factory sealed and unused. Comes as pictured with the...HKP-18185$0.00 -
Out Of Stock
HK MP5K 9mm 5 Position Retractable Stock - PDWC - Extended Buttpad
HKP HK Parts
$369.95HK MP5K PDW Telescopic - 5 Position Adjustable Stock - Extended Buttpad Finally the most anticipated PDW style stock for the MP5K ever developed. Made in the USA. The stock rails collapse along the top ridge of the grip frame for the lowest profile...HKP-19003$369.95 -
HK MP5 Trigger Group - Ambi 0,1,2 Pictogram - 9mm
H&K Heckler & Koch
$3,299.95H&K Heckler & Koch 9mm (0,1,2) Only Pictogram Black Polymer Trigger Group for HK MP5 Rare configuration and hard to find! Last unit we have on hand so get it while you can! Shown as 0,1,3 but the correct 0,1,2 trigger group.HKP-16684$3,299.95 -
Out Of Stock
HK Roller Sear For Burst Trigger Packs
H&K Heckler & Koch
$0.00H&K Roller Sear For Burst Trigger Packs New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly...HKP-01711$0.00 -
Out Of Stock
HK MP5, HK94, HK53, HK93 Ambidextrous Housing - Push Pin - Unmarked
H&K Heckler & Koch
$0.00H&K (9mm & 5.56/.223) Unmarked Ambidextrous Housing - Push Pin This trigger housing is designed for use with MP5, 93, and 33 ambidextrous trigger packs, making it an ideal choice for those seeking versatility. Manufactured in Germany, this...HKP-02461$0.00 -
Out Of Stock
HK MP5, HK33, HK93 Housing - Ambi - Unmarked - Clipped and Pinned - 9mm, 5.56 / .223
H&K Heckler & Koch
$0.00H&K MP5 & 93/33 (9mm & 5.56/.223) Unmarked Ambidextrous Housing - Clipped & Pinned This ambidextrous lower housing is designed specifically for use with MP5, HK33, and HK93 trigger packs. Featuring a clean, unmarked exterior, it offers a...HKP-15303$0.00 -
Out Of Stock
HK MP5 F 4 Position A3 Retractable Stock
H&K Heckler & Koch
$0.00HK German MP5 F 4 POSITION A3 Retractable Stock With BHO Cutout This is known as the universal stock as it fits all 9mm, 40 & 10mm firearms. A Perfect Solution If You Need A Stock To Fit All of The MP5 Variants In 9mm, 40 & 10mm As Well As Clones...HKP-00456$0.00