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
HK91, G3 Wide Handguard
AC-Unity
$74.95AC-Unity HK G3 Wide Handguard G3 length, black, wide handguard with bipod groove. Perfect fit for your HKG3, HK91, or PTR91 that takes standard G3 length handguards. Includes an inner heat shield...HKP-21639$74.95 -
On Sale
HKP 9mm Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
Now: $23.96Was: $29.95HKP 9mm Micro Comp - Threaded 1/2x28 RH The HK Parts Micro Comp & Thread Protector is designed to be lightweight and functional as both a compensator and thread protector. The HK Parts Micro Comp...HKP-19722Now: $23.96Was: $29.95 -
On Sale
HK MP5, HK94, SP5 Stock - SL
Magpul
Now: $143.96Was: $159.95Magpul - SL Stock - MP5, SP5 The Magpul SL Stock HK94/MP5, SP5 delivers the modern qualities found in our original MOE SL® carbine stock for AR15/M4 carbines to MP5-pattern rifles. Durable,...HKP-20023Now: $143.96Was: $159.95 -
HK USP, P2000SK, HK45CT Match Trigger Return Spring
H&K Heckler & Koch
$8.95HK Pistol Match Trigger Return Spring This is the TRS that is in the Match trigger kit. This spring works better with the SA/DA and is lighter than the standard trigger return spring. This is...HKP-02666$8.95 -
On Sale
HK VP9 Rail Mount Compensator - Gen 2 V1
HKP HK Parts
Now: $101.22Was: $179.95HKP HK VP9 Rail Mount Compensator - Gen 2 V1 *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.*HKP-19000Now: $101.22Was: $179.95 -
Out Of Stock
HK MP5K, SP89, SP5K Folding Buttstock - 9mm - HK Marked
H&K Heckler & Koch
$399.95HK Marked MP5K, SP5K, SP89 & MP5K-N, PDW Folding Stock This is the original "HK" logo marked HK factory stock, found on all HK German MP5K's or PDW's. Each stock is marked HK and uses the HK German...HKP-00391$399.95 -
On Sale
HK MP5, SP5, MP5K, SP5K Magazine - 32 Round - 9mm
Overwatch Precision
$23.96 - $26.96Overwatch Precision 32 Round MP5 Variants 9mm Magazine The Overwatch Precision Polymer magazine is a 32-round 9mm polymer mag for HK MP5, SP5K, MP5K, SP5K, and factory spec HK MP5,MP5K style clones...HKP-20102-M$23.96 - $26.96 -
HK 90 Series Pistol Grip Parts Storage Holder
HKP HK Parts
$29.95HK Pistol Grip Parts Storage Holder - SEF & Ambidextrous Housings A must-have item for storage, it doesn't have a battery compartment to maximize storage. This HK grip plug will fit all SEF or...HKP-19452$29.95 -
On Sale
HK MP5, MP5K Cocking Handle - BLEMISHED
HKP HK Parts
Now: $3.71Was: $9.95HKP MP5, MP5K Cocking Handle - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINHKP-00653-BNow: $3.71Was: $9.95 -
HK USP9 Jet Funnel Magazine - 18 Round
H&K Heckler & Koch
$99.95Heckler and Koch 9mm 18 Round Jet Funnel Magazine for HK USP New style all black steel reinforced Jet Funnel 18 round USP 9mm magazine. This item can be used with or without the jet funnel magwell...HKP-14549-M$99.95 -
On Sale
HK MP5 Poster - Parts Diagram
H&K Heckler & Koch
Now: $3.71Was: $14.95H&K HK MP5 Parts Diagram Poster Factory HK German print of the MP5 breakdown of the iconic MP5. Specifications: Height - 24" Width - 36"HKP-16690Now: $3.71Was: $14.95 -
On Sale
HK VP9, VP9SK Slide Cap - Enhanced
HKP HK Parts
Now: $23.96Was: $29.95Enhanced Slide Plate Cover VP9, VP9 Tactical, VP9SK & VP40 Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model cover has no firing pin viewing window and is machined to cover as MUCH...HKP-17856Now: $23.96Was: $29.95