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, HK33, HK53, HK93, Stock or Brace Adapter - AR15 - QD Sling Point
HKP HK Parts
$159.95HKP MP5, 93/53/33, AR Brace/Stock Adapter - QD Sling Attachment Point Each AR-15 stock/brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment...HKP-18788$159.95 -
HK MP5, SP5K Rear Sight Set, Complete - Used
H&K Heckler & Koch
$109.95HK Heckler and Koch German Rear Sight Set Complete - Used for HK MP5 and HK94 Taken from demilled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly...HKP-00671$109.95 -
HK MP5, SP5, MP5K, SP5K Magazine Clamp - Tri-Lock - 9mm
HKP HK Parts
$39.95HKP HK MP5, SP5, MP5K, SP5K Tri-Lock Magazine Clamp 9mm Triple magazine clamp HK MP5 magazines. Secures three 9mm magazines together for faster reloads and segregating ammo types...HKP-22799-M$39.95 -
On Sale
Century Arms AP51 A3 Telescopic Stock
MKE
Now: $404.96Was: $449.95MKE Century Arms AP51 A3 Telescopic Stock Factory new MKE stock professionally converted to fit the AP51 rifles and pistols. This AP51 stock was modified to the correct length recoil rod to make it...HKP-21926Now: $404.96Was: $449.95 -
HK G3 Buttstock Buttpad - Standard - Green - Used
H&K Heckler & Koch
$2.95H&K G3 Standard Stock Buttpad - Green - Used This German-made buttpad is an excellent replacement for your worn-out or broken buttpad on the G3 stock. Used but fully functional. Compatible With:HKP-21865$2.95 -
HK MP5 Adapter - Folding Stock
B&T Brugger & Thomet
$114.95B&T HK MP5 Adapter for Folding Stock Upgrade your MP5 platform with precision Swiss engineering. The Brügger & Thomet HK MP5 Adapter for Folding Stock provides a secure, reliable mounting interface...HKP-21751$114.95 -
B&T GHM9 SD Handguard
B&T Brugger & Thomet
$255.00B&T GHM9 SD Handguard Upgrade your GHM9 SD with this precision-engineered handguard from B&T, designed specifically for the integrally suppressed GHM9 SD platform. This handguard features M-LOK...HKP-21739$255.00 -
On Sale
HK MP5 Optic Mount, Aimpoint ACRO - .22 LR
HKP HK Parts
Now: $63.08Was: $98.95HKP - HK MP5 .22LR Optic Mount - ACRO HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Low-profile mount with a direct Aimpoint ACRO mounting interface. The...HKP-21236Now: $63.08Was: $98.95 -
On Sale
HK VP9 Tactical Holster and Lever - RH
Comp-Tac
Now: $80.96Was: $89.95Comp-Tac HK VP9 Lever + Align Tactical Holster – Right Hand At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the align tactical takedown lever...HKP-20870Now: $80.96Was: $89.95 -
HK417, MR762 Rail System - DMR Free Floating
H&K Heckler & Koch
$949.95HK MR762, 417 Extended Free Floating Rail System New Heckler and Koch MR762, HK417, and G28 Extended DMR (designated marksman rifle). Forearm with flip up front sight and suppressor window Cutout...HKP-17706$949.95 -
HK VP9SK, P30SK Magazine with Finger Rest - 15 Round - 9mm
HKP HK Parts
$79.95HKP HK Parts 15 Round Magazine with Black Finger Rest for HK VP9SK and HK P30SK New German VP9SK, P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK...HKP-20568$79.95 -
Out Of Stock
HK VP9, P30, HK45 Optic Plate Kit - Trijicon RMR, SRO - Red Dot Pistol Mount
Trijicon
$124.95Trijicon HK VP9/P30/45 RMR Pistol Mount Trijicon manufactured RMR mount to allow the use of an RMR to replace the rear sight on HK pistols. Compatible With:HKP-17336$124.95