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 SEF Skeletonized Binary Aluminum Selectors
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized Our new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs. With our new skeletonized selector...HKP-20526$69.95 -
HK G36, HK SL8 Side Rail Factory HK
H&K Heckler & Koch
$67.95HK Factory German G36 & SL8 Side Rail With Screws Up to two side rails can be used on a G36 UMP, one for each of the sides. Made from hard coat anodized aluminum. Compatible With: SL8 full size G36 full sizeHKP-01962$67.95 -
On Sale
HK VP9SK Compensator - Quick Detach - Steel
HKP HK Parts
Now: $96.95Was: $199.95HKP HK VP9SK Comp Weight™ Quick Detach Compensator Easy on, easy off- Quick Detach technology. The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol frame...HKP-18376Now: $96.95Was: $199.95 -
HK MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal
H&K Heckler & Koch
$199.95H&K MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal The ultimate solution for MP5 and SP5 style receivers, this universal trigger housing simplifies swapping between receivers. German HK-manufactured, it allows you to easily transfer your...HKP-20326$199.95 -
HK VP Series F2 Trigger - Flat Face - Red
Lazy Wolf
$134.95Lazy Wolf F2 Flat Face Trigger for the Heckler and Koch HK VP Series In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 and HK VP40 handguns. The drop in VP9 series is the greatest trigger ever...HKP-18878$134.95 -
HK VP9, P30, HK45C HD Night Sight Set - Orange
Trijicon
$150.95Trijicon HK VP, P30, HK45C HD Night Sight Set - Orange The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set's front sight features a taller blade and an aiming point ringed...HKP-14557$150.95 -
HK416, MR556 Piston Guide - Threaded - Upper Receiver
H&K Heckler & Koch
$19.95HK MR556 & 416 Upper Receiver Threaded Piston Guide Compatible With: HK MR556 HK 416 HK M27HKP-02640$19.95 -
HK UMP, USC Firing Pin Assembly - Complete
H&K Heckler & Koch
$82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sHKP-00609$82.95 -
HK90 Series Compression Rod for Burst Trigger Packs
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...HKP-01047$29.95 -
HK MR556, MR762 A4 Safety Lever - Right
H&K Heckler & Koch
$13.95H&K MR556/MR762 A4 Safety Lever - Right H&K factory right-side selector lever for MR-series ambidextrous safety systems. Compatible With: HK MR762 A1/A4 HK MR556 A1/A4HKP-21966$13.95 -
Binary Safety Selector Set - Ambidextrous - Extended
HKP HK Parts
$89.95HKP Ambi ESSL Housing Franklin Armory Binary Selector Set - Levers Only HK Parts extended safety selector Selector Lever Set, expertly modeled after the HK Ambi Style Selector Lever. This premium product is designed to integrate seamlessly with the...HKP-21616-M$89.95 -
Out Of Stock
HK VP9 Match Barrel - 9mm - Threaded 1/2x28
RCM
$262.50RCM HK VP9 Match 9mm Barrel with Thread Protector - Threaded 1/2x28 Precision replacement barrel produced by RCM for the HK VP9 Match pistol. This barrel features a threaded muzzle for suppressors or other muzzle devices. Installs as a direct...HKP-21069$262.50