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 G36 ACR Folding Stock - Picatinny Adapter
HKP HK Parts
$359.95HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the...HKP-22331$359.95 -
HK P7, P9 Extractor
H&K Heckler & Koch
$34.95H&K HK P7/P9 Extractor - Short / 7.65mm Removes spent casings from the chamber of H&K P7 and P9 pistols for reliable cycling. Compatible With: HK P7 K3HKP-22236$34.95 -
HK CC9 Firing Pin Return Spring
H&K Heckler & Koch
$5.95H&K CC9 Firing Pin Return Spring OEM firing pin return spring for the CC9 pistol that regulates firing pin movement during cycling to ensure reliable function.HKP-22137$5.95 -
HK CC9 Slide Cover Plate
H&K Heckler & Koch
$9.95H&K CC9 Slide Cover Plate Made in Germany by H&K, the slide cover plate for the CC9 pistol retains the firing pin assembly within the slide.HKP-22135$9.95 -
HK CC9 Trigger Spring
H&K Heckler & Koch
$5.95H&K CC9 Trigger Spring This CC9 trigger spring was made in Germany by H&K and provides spring tension to reset the trigger after firing.HKP-22122$5.95 -
HK416, MR556 Charging Handle - E2
H&K Heckler & Koch
$175.95Heckler and Koch E2 Charging Handle for HK416, MR556 Factory HK charging handles for the MR556, HK416 platform. The standard MR556 charging handle allows the release latch to be configured on either...HKP-22021$175.95 -
HK P30SK Firing Pin Safety Spring
H&K Heckler & Koch
$5.99H&K P30SK Firing Pin Safety Spring Replacement firing pin safety spring for the P30SK. Maintains proper tension on the firing pin safety plunger to ensure safe and reliable function. &nbsHKP-21977$5.99 -
On Sale
HK VP9 Optic Plate #1 - Meopta, Eotech, Noblex - Red Dot Pistol Mount
HKP HK Parts
Now: $31.84Was: $49.95HKP Mounting Plate #1 - Noblex/Meopta/EOTech - HK VP9, VP9L OR Models Each plate is CNC machined from a solid billet of ordnance grade aluminum, tumbled, and cerakoted for the ultimate in durability...HKP-21595Now: $31.84Was: $49.95 -
HK416 A5 Flash Hider - .22 LR
HKP HK Parts
$59.95HKP HK 416 .22 LR A5 Flash Hider Our HK Parts A5 flash hider is a directly mounted upgrade that will enhance the appearance of your 416 .22LR build, perfect for those aiming to achieve an authentic...HKP-21575$59.95 -
On Sale
HK416, MR556, HK417, MR762 Pistol Grip - K2 XL
Magpul
Now: $16.07Was: $22.95Magpul Moe K2 XL AR Grip Designed for shooters with larger hands, the K2-XL Grip is similar to the MOE-K2 Grip – AR15/M4 but nearly 25% bigger. A drop-in upgrade for the AR15/M4, it offers a more...HKP-21554Now: $16.07Was: $22.95 -
On Sale
HK UMP 5 Prong Flash Hider - 5/8x24
HKP HK Parts
Now: $43.32Was: $67.95HKP HK UMP 5 Prong Flash Hider - 5/8x24 Compatible With: HK UMPHKP-21523Now: $43.32Was: $67.95 -
On Sale
HK MP5SD Barrel Port Brush Handle - Red - BLEMISHED
HKP HK Parts
Now: $22.46Was: $39.95HKP SD Barrel Port Brush Handle - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HK...HKP-21448-RE-BNow: $22.46Was: $39.95