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 Lever - Selector - 0,1 - Extended - Ambidextrous
H&K Heckler & Koch
$144.95HK German Left Side Ambidextrous EXTENDED (ESSL) FBI (0,1) Lever New German HK extended selector lever for the left side of all safe and semi-ambidextrous trigger packs SP5K. Compatible With:HKP-00124$144.95 -
Out Of Stock
Thread Protector - 9mm - 13.5x1 LH - US
HKP HK Parts
$19.95HKP 9mm Thread Protector - Threaded 13.5x1 LH This threaded barrel protector fits all HK 9mm threaded barrels that are 13.5x1 metric LH twist. Specifications: Overall Length .45"HKP-22324$19.95 -
HK VP9 Elevated Night Sight
H&K Heckler & Koch
$55.95H&K VP9OR Elevated Night Sight Tritium front sight with high visibility ring and tritium rear sight. Fits all VP Optic Ready models. Lower 1/3 Co-Witness with Trijicon RMR.HKP-22019$55.95 -
On Sale
HK91, G3 Stock - PRS Lite
Magpul
$260.96 - $289.95Magpul HK G3 / HK 91 PRS Lite Stock New G3 / HK91 PRS Lite stock will allow you to shoot your rifle with comfort while adding some style. We take the PRS Lite stock and attach our HK - AR adapter...HKP-21170-M$260.96 - $289.95 -
B&T Quick Detach Polymer Unigrip - Black
B&T Brugger & Thomet
$75.00B&T Quick Detach Polymer Unigrip This simple foregrip is designed to be mounted on the NAR/Picatinny rail of the firearm. The grip features an integrated storage compartment. Specifications:HKP-18102$75.00 -
HK33, HK53, HK93 Magazine Spring - 30 Round
H&K Heckler & Koch
$8.45HK 93,33, & 53 Magazine Replacement Spring For Steel German HK 30-Round Magazines This is a hard-to-find and must-have spare part for your HK high-capacity mags. Please Note: Although not factory...HKP-14411$8.45 -
Out Of Stock
HK Semi Auto Shelf, Hanger Block For Receiver
HKP HK Parts
$13.95HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds...HKP-17572$13.95 -
On Sale
Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel
Harris Engineering
Now: $134.96Was: $149.95Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel This part is manufactured using high-quality parts to ensure excellent function and sustainable use. It attaches to a sling swivel stud...HKP-00983Now: $134.96Was: $149.95 -
HK417, MR762, G28 Adjustable Buttstock Set - RAL8000
H&K Heckler & Koch
$589.95H&K HK MR762, HK417, G28 Adjustable Buttstock Set - RAL 8000 HK G28 adjustable stock kit complete with the necessary parts convert a stock MR762 or HK417 to G28 spec. Includes: G28HKP-16760$589.95 -
On Sale
HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black
HKP HK Parts
Now: $223.96Was: $279.95New HK91, G3, PTR-91 U.S Made (PTR-91 Manufactured) Fixed Stock with Enhanced Buffer Installed Made from all German & U.S. made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles...HKP-18937Now: $223.96Was: $279.95 -
Out Of Stock
HK MP5K, SP89, SP5K Shoulder Rig Lanyard with Ring - 9mm
H&K Heckler & Koch
$34.95HK German MP5K Shoulder Rig Lanyard With Ring For use with all HK shoulder harnesses to quickly deploy the stock when folded. This is the same unit used by the Secret Service and the FBI. Compatible...HKP-00022$34.95 -
HK MP5 Trigger Group - Burst 4 Position 0,1,3,F
H&K Heckler & Koch
$3,299.95HK Heckler and Koch 4 Position Burst Trigger Group 0,1,3,F for HK MP5 New HK German factory fresh 9mm MP5 4 position burst trigger group. Each unit comes just as it comes from the factory in Germany...HKP-01496$3,299.95