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 MP5, HK94, MP5K, SP89 Firing Pin - Steel
HKP HK Parts
$17.47MP5, MP5K, 94, & SP89 Firing Pin - Steel Each part is made using the factory HK material and specifications from original HK German blueprints. Compatible With: MP5, HK94 MP5K, SP89, SP5K MP5 40, 10mm, .357 Sig Zenith, POF, Omega, DT,...$17.47 -
HK MP5 Dual Battery Holder for Grip - Parts Storage
HKP HK Parts
$29.95HKP Pistol Grip Parts Storage Holder A must have item for storage of much needed 123 batteries for your gear such as optics, lasers, illuminators, etc. This HK grip plug will fit all Navy Style or Ambidextrous housings that have the holding tabs in the...$29.95 -
HK45, USP, USPC LEM Conversion Kit - Complete
H&K Heckler & Koch
$138.95H&K Heckler & Koch HK45, USP, USPC Kit - LEM - Complete - Universal HK German "universal" LEM conversion kit for USP, USPC & HK45, and HK45C pistols. This kit converts your V1-V10 HK Pistol to the LEM configuration. Each LEM kit includes all...$138.95 -
HK VP9SK, P30SK Magazine - 15 Round - 9mm
H&K Heckler & Koch
$54.95H&K HK 15 Round VP9SK/P30SK 9mm Magazine New factory HK 15 round magazine for VP9SK & P30SK 9mm. HK's magazine is made to their specifications and tolerances using high quality materials that provide perfect fit, durability and reliability.$54.95 -
HK MP5SD 9mm Cocking Tube
HKP HK Parts
$99.95MP5SD Cocking Tube - US Made HK German MP5SD spec cocking tube for use on MP5SD style builds or custom SD builds. These are the best MP5SD cocking tube ever offered. Each unit is made from the original factory HK prints & tooling to the perfect HK...$99.95 -
HK417, MR762 Magazine - 20 Round - RAL8000
H&K Heckler & Koch
$66.95H&K 20 Round HK MR762/417 7.62/.308 Magazine - RAL 8000 Genuine HK 20 round magazine. Factory fresh & hard to find. This is the highest magazine capacity available for the MR762 and HK417 family of firearms. Compatible With: HK MR762 HK 417 HK...$66.95 -
HK MP5, HK94, HK53, HK51 Handguard - M-LOK
HKP HK Parts
$108.95HK MP5, 94, HK53, 51 Low Profile Forearm M-LOK The M-LOK tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting...$108.95 -
HK UMP, USC Axle Pin - Rear Stock
Other
$14.95Heckler and Koch Stock Rear Stock Axle Pin for your HK UMP or USC This is the stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those who are doing the USC to UMP conversion. This pin is required to attach the...$14.95 -
HK Semi Shelf Weldment - Metal Grip Housing
HKP HK Parts
$14.95HKP Semi Shelf Weldment Metal Grip Housing For Semi-Auto Trigger Packs This HK German specification metal trigger frame weldment is designed for converting SEF style housings from full auto to semi-auto. This weldable block or shelf is essential for...$14.95 -
HK MP5, HK94, HK 93, HK91, PTR SL Grip Module Semi Shelf
Magpul
$59.95Magpul - SL Grip Module - HKMP5/94/93/91 & Semi Shelf & HK Clones The Magpul SL Grip Module is a high-strength, injection-molded polymer grip module for HK MP5/94/93/91 & Semi Shelf HK Clones*. Designed with improved ergonomics, a non-slip...$59.95 -
Out Of Stock
HK91, G3 36 Degree Locking Piece #17
RCM
$49.99RCM HK G3/91 36 Degree Locking Piece #17 One of the best ways to slow down & tame that HK21. Can also be used for HK91/G3 special projects such as suppressors, & heavier than normal loads. This is also the factory correct locking piece for...$49.99 -
HK45, VP9, VP9SK, P30 Backstrap Clamping Pin
H&K Heckler & Koch
$5.95Dowel Pin Or Clamping Pin This HK roll pin is used to hold the backstrap in place. Compatible With: HK45 HK45 Compact HK P30 HK P30L HK P30SK HK VP9 HK VP9SK$5.95