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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HKP HK P2000 MOD 1 Compensator
HKP HK Parts
$179.95HKP HK P2000 MOD 1 Compensator - Non-Threaded Barrel The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker. Each MOD 1...HKP-21815$179.95 -
HK VP9 R3D 2.0 Rear Sight
XS Sights
$59.95XS Sight Systems HK VP9OR R3D 2.0 Rear Sight Their second-generation R3D night sights are engineered to give you a brighter stronger set of sights. Easily install their sights with a set that requires 50% less force for installation. R3D sights are built...HKP-21618$59.95 -
On Sale
HK UMP Magazine - .40 S&W - 30 Round - BLEMISHED
HKP HK Parts
Now: $36.95Was: $49.95HKP HK UMP (.40 S&W) 30 Round Magazine - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each 30 round magazine will fit all HK UMP .40 caliber...HKP-17583-BNow: $36.95Was: $49.95 -
On Sale
HK USC Stock Block to Picatinny Rail
HKP HK Parts
Now: $119.96Was: $149.95HKP HK USC Stock Block to Picatinny Rail The HKP USC stock block with picatinny rail offers superior adjustability for the stock of your choice. Each stock block is crafted from billet aluminum, cerakoted for a robust finish, and includes the sling pin...HKP-21594-MNow: $119.96Was: $149.95 -
HK USP Compact Compensator - .45 ACP - Threaded Barrel
HKP HK Parts
$189.95HK USPC .45 Cal Compensator for Threaded Barrel The will add a sleek and tactical look to your USPC .45. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore allows you to get...HKP-20984$189.95 -
On Sale
HK VP9L Compensator - Quick Detach - Blue
HKP HK Parts
Now: $49.95Was: $189.95HKP HK VP9L Comp Weight™ Quick Detach Compensator - Blue EASY ON, EASY OFF- QUICK DETACH TECHNOLOGY The HK Parts VP9L, Comp Weight™ compensator is the world's first quick detach Comp Weight™ compensator. That slides effortlessly onto...HKP-20974Now: $49.95Was: $189.95 -
Out Of Stock
HK416, MR556 Firing Pin - Silver
GSG9
$34.95Firing Pin for HK 416 & MR556 Firearm - USA - GSG9 US made HK 416 & MR556 Made from hardened stainless steel. Compatible With: HK416 HK MR556 HK CR556 HK M27HKP-20650$34.95 -
HK SEF Skeletonized Binary Aluminum Selectors - For Left Hand Shooters
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized SEF skeletonized style selector lever set modeled after the HK style selector lever for the Franklin Armory trigger packs. With our new skeletonized...HKP-20527$69.95 -
HK VP9SK, VP40SK Backstrap - Small - Gray
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Small - Gray New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18969$29.95 -
HK91, G3 2-Stage Trigger Group - Complete
Timney Triggers
$478.95Timney Trigger for .308 - HK91 SEF Timney trigger group comes completely assembled and ready to drop in your receiver. Set up with a German ejector lever, new SEF selector lever, and a brand new factory German housing for the best trigger group available...HKP-20513-CP$478.95 -
HK VP9 Barrel - 9mm
H&K Heckler & Koch
$269.95H&K Barrel VP9 Brand New HK German Standard Length VP9 Barrel. Marked HK 9mmx19. Brand new cold hammer forged & made in Germany. Compatible With: HK VP9 (Optics Ready and non-OR) HK VP9 Tactical HK VP9K HK VP9X NOT compatible with VP9F, VP9L,...HKP-16820$269.95 -
HK VP9, VP40 Backstrap - Medium - OD Green
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Medium - OD Green New HK German manufactured Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-18838$29.95