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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HK416 Barrel Multi Tool
Nefarious Arms
$124.95Nefarious Arms HK 416 Barrel Installation and Multi Tool HK416 multitool patterned off a genuine HK 416 wrench with added features. Use with a traditional 1/2″ torque wrench or the plug-and-socket style torque wrench that utilizes the ball...HKP-21487$124.95 -
HK MP5, MP5K/SP5K 10 Round Magazine - RAL8000
H&K Heckler & Koch
$97.95H&K MP5/MP5K/SP5K 10 Round Magazine - RAL 8K Heckler & Koch factory magazine. We now take this factory magazine and cerakote it with the ultra desirable RAL 8000 color for those looking to customize their build. 10 round magazine making it ideal...HKP-21441$97.95 -
ACR Folding Stock - Section
Magpul
$35.95Magpul ACR Folding Stock Section Factory Magpul replacement folding stock section for ACR Stocks. No hinge pin included. only a few on hand. Once they are all gone there will be no more! Don't miss the chance to obtain replacement stock sections while...HKP-21302-M$35.95 -
HK P7M13 13 Round Magazine - Excellent Condition - Rare
H&K Heckler & Koch
$467.95H&K HK P7M13 13-Round Magazine - Excellent/Like New Highly coveted 13-round 9mm P7M13 magazines with the sought-after LEO markings. Despite showing some signs of wear, these magazines are in perfect functional condition. Limited quantity available-...HKP-21043$467.95 -
HK VP9 Tactical Holster and Lever - RH
Comp-Tac
$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 installed. Manufactured by the best holster company in...HKP-20870$89.95 -
HK MP5 Stock or Brace Adapter
HKP HK Parts
$149.95HKP MP5 Brace/Stock Adapter Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your valuable firearm...HKP-20677$149.95 -
On Sale
HK VP9, VP40 Compensator - Quick Detach
HKP HK Parts
$82.46 - $112.46HKP Comp Weight™ HK VP9, VP40 Quick Detach Compensator CLEARANCE COMPENSATORS ARE NOT AVAILABLE IN ANY COLORS ASIDE FROM WHAT IS PURCHASABLE ON THE WEBSITE. WE WILL NOT BE MACHINING THESE COMPENSATORS AGAIN SO IF THEY COLOR YOU WANT IS SOLD...HKP-21080-M$82.46 - $112.46 -
HK P30, HK P30L Compensator - V2 - Rail Adapter
HKP HK Parts
$34.95HKP HK P30, HK P30L Comp Weight™ V2 Compensator Rail Adapter The HK Parts Comp Weight™ Compensator rail adapter is designed to easily screw on to your quick detach Comp Weight™ by replacing the quick detach lever. This is designed to...HKP-19038$34.95 -
HK UMP Magazine Follower - .45 ACP - US
USA
$9.95HK UMP .45 Magazine Follower - USA New UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines both US or GermanHKP-20177$9.95 -
HK416, MR556 Handguard - 10.5" - M-LOK
Geissele
$472.00HK416 Super Modular Rail MK15 M-LOK - 10.5" The Super Modular Rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity...HKP-19990$472.00 -
Kinetic Development Group HK USC Conversion to ACR Stock Upgrade - FDE
$459.95HK USC-UMP ACR Stock Adapter & ACR Stock Combo - Brown A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and...HKP-19845$459.95 -
HK MP5 Handguard With LED Weapon Light - Used
B&T Brugger & Thomet
$399.95B&T HK MP5 Handguard With LED Weapon Light - Used B&T model TL99CREE LED lit handguard for HK MP5, 94 models. Each unit handguard is built with the integrated tactical LED light & 3 position switch. Specifications: High intensity torch...HKP-19605$399.95