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, SP5K Buffer Replacement - Choate Stocks
Choate
$20.95HK MP5K & SP5K Buffer Replacement - Choate Stocks Choate factory replacement buffer kit for Choate MP5K and SP5K stocks only.HKP-21041$20.95 -
HK VP9, P30 Magazine - 9mm - 27 Round - Cerakote Red
HKP HK Parts
$104.95HKP 27 Round 9mm Complete Cerakote Red Magazine for HK VP9, HK P30 US-made 27-round magazine for HK VP9 and P30 series pistols. Built by combining a factory German 17-round steel magazine with the HKPARTS +10 alloy extension for a total capacity of 27...HKP-20612$104.95 -
HK P30, HK P30L Compensator - V2 - Rail Adapter
HKP HK Parts
$34.95HKP HK P30, HK P30L Comp Weight™ V2 Compensator Rail Adapter The HK Parts Comp Weight™ Compensator rail adapter is designed to easily screw on to your quick detach Comp Weight™ by replacing the quick detach lever. This is designed to...HKP-19038$34.95 -
HK G36 Backplate Complete with Recoil Assembly
H&K Heckler & Koch
$199.95HK G36 Backplate Complete With Recoil Assembly New HK German G36 Backplate with new G36/SL8 recoil buffer and recoil assembly. This assembly does include the recoil rod retaining screw. This is a great spare or replacement to have on hand. These are also...HKP-16735$199.95 -
HK MP5 Lower Receiver - Section
H&K Heckler & Koch
$54.95HK MP5 Rear Receiver Section HK German demilled receiver section with rear sight base as installed at the factory. The rear push pin section is still attached to the demilled receiver section.HKP-02147$54.95 -
On Sale
HKP Hat - Snapback - Flat Brim - Gray and Red
HKP HK Parts
Now: $13.45Was: $19.95HKP Flat Brim Snapback Hat - Gray & Red Get your hands on some of our premium hats! Official HKP merchandise 5" wide HKP logo 100% cotton Structured 4 sewn eyelets Matching color sweatband Plastic adjustable snap Firm front panel Size: OSFM -...HKP-20463Now: $13.45Was: $19.95 -
HK416, MR556 Handguard - 10.5" - M-LOK
Geissele
$472.00HK416 Super Modular Rail MK15 M-LOK - 10.5" The Super Modular Rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity...HKP-19990$472.00 -
HK USC Conversion to ACR Stock Upgrade - FDE
KDG Kinetic Development Group
$459.95HK USC-UMP ACR Stock Adapter & ACR Stock Combo - Brown A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and...HKP-19845$459.95 -
HK45C, P30 Holster - Sport-Tac - RH
Comp-Tac
$78.95Comp-Tac HK P30, HK45C Sport-Tac RH Holster The Sport-TAC Holster is a hybrid, inside-the-waistband holster designed to comfortably carry a 4? handgun at the 4-5 o'clock position. The Sport-TAC features a 600D interlock padded backing that provides...HKP-19688$78.95 -
HK VP9, VP9SK, VP40 Trigger Housing, Complete - 9mm, .40 S&W
H&K Heckler & Koch
$89.95Heckler and Koch 9mm and .40 S&W Complete Trigger Housing for HK VP9, HK VP9SK and HK VP40 Enhance the performance of your HK VP9, HK VP9SK, or HK VP40 with this complete trigger housing. Designed for both 9mm and .40 S&W calibers, this...HKP-16797$89.95 -
HK417, MR762 Recoil Buffer Spring
H&K Heckler & Koch
$24.95H&K HK MR762/417 Recoil Buffer Spring A must have wear and replacement part for your, HK 417 & MR762 firearm. Compatible With: HK MR762 HK 417HKP-16608$24.95 -
HK45 Series, P30 Series Grip Pin - Cylindrical
H&K Heckler & Koch
$5.95H&K P30 & 45 Series Cylindrical Grip Pin Compatible With: HK 45 HK 45 Compact HK P30 HK P30 V2 HK P30 V3 HK P30L HK P30L V2 HK P30L V3HKP-01808$5.95