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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK MP5, G3, HK93 Grip Wrap - Rubber - Navy Style Lower
Talon Grip
$19.99Talon Grip HK Navy Style Rubber Grip Wrap - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you...HKP-20229$19.99 -
HK417, MR762, G28 Buffer Tube Castle Nut - Extended
H&K Heckler & Koch
$85.95Heckler and Koch Buffer Tube Castle Nut for HK G28, HK417 and HK MR762 New HK German G28 castle nut for the HK MR762, HK417, and G28 models. Black in color. This is the proper part for use with the...HKP-16763$85.95 -
HK USPC HD Night Sight - Orange, Green
Trijicon
$152.95Trijicon HK USPC HD Night Sight - Orange/Green The three-dot green tritium night sight set front sight features a taller blade and an aiming point ringed in photoluminescent paint, while the rear...HKP-14534$152.95 -
HK G36, SL8 Bipod
H&K Heckler & Koch
$449.95New HK G36 & HK SL8 Factory Bipod Heckler & Koch German made. Manufactured with steel-reinforced HK composites. Compatible With: HK G36HKP-00270$449.95 -
HK Universal Harris Bipod Adapter
H&K Heckler & Koch
$209.95HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German...HKP-01852$209.95 -
HK MP5, HK90 Series Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring...HKP-17980$4.95 -
HK MP5 Flash Hider - .22LR
HKP HK Parts
$49.95HKP HK MP5 .22LR Flash Hider Transform your HK MP5 .22 pistol by adding a direct thread-on flash hider that perfectly replicates the iconic look of the MP5 9mm 3-lug flash hider. Internal O-ring to...HKP-21648$49.95 -
On Sale
HK G36, HK33 Flash Hider - KeyMount, KeyMicro - Threaded 15x1
JMAC Customs
Now: $87.98Was: $109.95JMAC HK G36/HK33 (5.56/.223) Flash Hider KeyMount (KeyMicro) - Threaded 15x1 In order to use this device with a suppressor it must be installed by a professional to ensure it is properly mounted and...HKP-21255Now: $87.98Was: $109.95 -
HK USP Compact . 45 ACP Compensator
HKP HK Parts
$189.95HKP HK USP Compact . 45 ACP Compensator The HK Parts USPC .45 Compensator will add a sleek and tactical look to your USPC.45. With the quick and easy addition of our compensator you will add plenty...HKP-20975$189.95 -
Out Of Stock
HK MP5K, SP5K ACR Stock with Adapter
Magpul
$579.95HK SP5K ACR Stock Our aircraft-grade aluminum SP5K ACR adapter is now offered in this combo stock unit. Pre-installed and ready to drop in. With this SP5K ACR combo stock you will add the capability...HKP-20826-M$579.95 -
USP, USPC Detent Plate - V1, V2
H&K Heckler & Koch
$12.95Detent Plate For V1 & V2 This will provide the safety and decocking functions for both the left and right side selector levers for the HK pistols below. Compatible With:HKP-01171$12.95 -
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 fulHKP-01962$67.95