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
B&T GHM9/45 Stock Telescopic
B&T Brugger & Thomet
$510.00B&T Stock Telescopic for GHM9/45 Factory B&T 3-position telescopic stock for the GHM9 and GHM45 platforms. Compatible With: B&T GHM9/GHM45HKP-21722$510.00 -
On Sale
HK416 Flash Hider - Birdcage Style - .22 LR
HKP HK Parts
Now: $25.47Was: $39.95HKP HK 416 .22 LR Flash Hider - A5 Birdcage Style Upgrade your 416 .22 pistol with a direct mount on flash hider featuring a sleek A5 birdcage style for a truly custom look. Built to last with the...HKP-21577Now: $25.47Was: $39.95 -
On Sale
HK SL8 to G36 Stock Block - Conversion - Sling Pin - Picatinny Rail
HKP HK Parts
Now: $95.59Was: $149.95HKP HK SL8/G36 Conversion Stock Block with Picatinny Rail SL8 to G36 stock block with Picatinny rail offers superior adjustability for the stock of your choice, making it an excellent choice for SL8...HKP-21574-MNow: $95.59Was: $149.95 -
Vector Arms V51 Telescopic Stock
MKE
$549.95MKE V51 A3 Telescopic Stock: Factory new MKE stock professionally converted with the correct collapsing length to fit Vector V51 rifles and pistols. This V51 stock was modified with a heavy profile,...HKP-21469$549.95 -
On Sale
HK MP5K Stock with Direct Fit Adapter
Magpul
$149.95 - $199.95Magpul HK MP5K Stock with Direct Fit Adapter MP5K DT Magpul stock ready to drop in on any in-spec MP5K receiver or clone. We take our AR MP5K Adapter and attach it onto a mil-spec buffer tube. We...HKP-21412-M$149.95 - $199.95 -
On Sale
HK MP5K Trigger Housing - AR
Magpul
$223.09 - $349.95Magpul HK MP5K AR Trigger Housing This match-grade trigger housing is expertly crafted to elevate the performance of your HK MP5K. Our enhanced HK-AR Navy ambidextrous lower housing and Magpul MOE...HKP-21379-M$223.09 - $349.95 -
On Sale
HK SP5 Stock - MOD2 - Strike Industries
HKP HK Parts / Strike Industries
Now: $83.78Was: $199.95Strike Industries HK SP5 Drop-In MOD2 Stock We pair our SP5 AR stock adpter with this Strike MOD2 stock to give you a drop-in SP5 stock. Give your build a modern look and added comfort and...HKP-21332-MNow: $83.78Was: $199.95 -
HK SL8-1 Front Sight Complete
H&K Heckler & Koch
$79.95H&K HK SL8-1 Complete Front Sight Complete front sight, less the mounting hardware.HKP-16633$79.95 -
HK416, MR556 Charging Handle Roll Pin
$7.95HK 416, MR556 Roll Pin for Charging Handle - HKP This is the shorter one that is used on the inside of the charging handle. There are two of these pins used per charging handle.HKP-16536$7.95 -
HK USP Grip Wrap - Rubber - 9mm / .40 S&W
Talon Grip
$19.99TALON Grip - USP Full Size 9mm/.40 - Rubber 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-20283$19.99 -
HK VP9, P30 Magazine - 24 Round - Red - 9mm
HKP HK Parts / Heckler & Koch
$89.9524 Round Magazine Complete - Red - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +7 alloy magazine extension coupled with an HK 17 round factory German magazine adds 7 additional rounds total for a fully...HKP-19838$89.95 -
HK416, MR556, MR762 Dowel Pin
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416 Dowel Pin Compatible With: HK MR556 HK 416 HK MR762HKP-19528$9.95