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 G3 Apparel - Hats, Patches, and Shirts
HKP HK Parts
$0.00HKP HK G3 Apparel and Patch Collection Represent your platform with the HK Parts G3 Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...HKP-22458-M$0.00 -
HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm
MKE
$23.95MKE HK MP5 9mm 30 Round Magazine Replacement Parts Kit Replacement magazine parts kit for HK MP5 9mm firearms. Made in Turkey and designed to match factory MP5 specifications. Includes: 30 round magazine spring MP5 magazine follower MP5 magazine floor...HKP-99342$23.95 -
On Sale
HK MP5 Recoil Spring
MKE
Now: $7.95Was: $10.99MKE HK MP5 Recoil Spring Great replacement and spare recoil spring as this is a common repair and replacement item. Compatible With: HK MP5 Century Arms AP5 Clones & custom buildsHKP-22239Now: $7.95Was: $10.99 -
On Sale
HK33, HK53, HK93 Push Pin Spring
MKE
Now: $2.19Was: $3.95MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...HKP-22228Now: $2.19Was: $3.95 -
HK33, HK53, HK93, HK21E, 23E Cocking Handle Pivot Pin
H&K Heckler & Koch
$18.95H&K 93/53/33 & HK21E/23E Cocking Handle Pivot Pin This genuine H&K cocking handle pivot pin allows smooth operation of the charging handle assembly. While the nipple on the 21E pin is slightly shorter than the 33 pin, it remains fully...HKP-21746$18.95 -
On Sale
HK MP5 Dual Magazine Clamp - 10mm, .40 S&W
HKP HK Parts
Now: $39.96Was: $49.95HKP HK MP5 40/10 Dual Magazine Clamp The HK Parts MP5 40/10 dual magazine clamp is expertly crafted to fit all 40/10 MP5 polymer magazines. Constructed from durable aluminum and finished with a type 3 hard anodize for enhanced protection and a premium...HKP-21614-MNow: $39.96Was: $49.95 -
On Sale
HKP Glock 17 Gen 4 Rail Mount Compensator
HKP HK Parts
Now: $59.95Was: $179.95HKP - Glock 17 Gen 4 Rail Mount Compensator The perfect addition to your Glock 17 Gen 4 firearm with our low profile, aggressive rail mount compensator that flows with the lines of the firearm for a seamless addition. The Glock 17 Comp Weight™ can...HKP-21219Now: $59.95Was: $179.95 -
On Sale
HK Women's Shirt - Short Sleeve - Bundesadler
HKP HK Parts
Now: $11.22Was: $19.95HKP Womens Short Sleeve Bundesadler Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: 100%...HKP-21178-MNow: $11.22Was: $19.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom
Zenith
$43.95Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20830$43.95 -
HK MR762, HK 417 Free Floating DMR Rail System
H&K Heckler & Koch
$949.95HK MR762, 417 Extended Free Floating Rail System New Heckler & Koch MR762, HK 417 & G28 Extended DMR (designated marksman rifle) Forearm With Flip Up Front Sight & Suppressor Window Cutout. Optimized design to mitigate the heat emissions for...HKP-17706$949.95 -
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 LS5 Trigger Group, Complete - Semi Shelf
Lee Sporting
$549.95Lee Sporting LS5 Complete Trigger Group - MP5 Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...HKP-20465$549.95