Parts

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
    New - HK MP5 Aimpoint ACRO A-2 with Optic Mount - HKP-21899-M HK MP5, SP5K Optic Mount with Aimpoint ACRO P-2

    HK MP5, SP5K Optic Mount with Aimpoint ACRO P-2

    HKP HK Parts / Aimpoint

    $689.95
    HK MP5 Aimpoint ACRO P-2 with HKP Optic Mount The HKP optic mount securely positions the ACRO P-2 sight for fast, intuitive target acquisition, while preserving a clear view of the factory sights. Includes: HK MP5 Optic Mount (ACRO interface) Aimpoint...
    HKP-21899-M
    $689.95
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    $689.95
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  • Out Of Stock
    New - B&T Official PVC Patch - Black - HKP-21718 B&T Official PVC Patch - Black

    B&T Official PVC Patch - Black

    B&T Brugger & Thomet

    $5.00
    B&T Official PVC Patch - Black - 2.5"
    HKP-21718
    $5.00
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    $5.00
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  • New - Strike Industries HK MP5 Stock with Cheek Riser - HKP-21497-M HK MP5 Stock - Cheek Riser
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    HK MP5 Stock - Cheek Riser

    HKP HK Parts / Strike Industries

    $349.95
    Strike Industries HK MP5 Stock with Cheek Riser The Strike Industries Dual Folding Stock paired with the HKP MP5 picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock configuration. The adjustable...
    HKP-21497-M
    $349.95
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    $349.95
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  • New - Nefarious Arms HK 416 Installation Barrel - HKP-21487 HK416 Barrel Multi Tool
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    HK416 Barrel Multi Tool

    Nefarious Arms

    $124.95
    Nefarious 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
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    $124.95
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  • New - H&K MP5/MP5K/SP5K 10 Round Magazine - RAL 8K - HKP-21441 HK MP5, MP5K/SP5K 10 Round Magazine - RAL8000
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    HK MP5, MP5K/SP5K 10 Round Magazine - RAL8000

    H&K Heckler & Koch

    $97.95
    H&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
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  • New - Magpul ACR Folding Stock Section - HKP-21302-M ACR Folding Stock - Section
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    ACR Folding Stock - Section

    Magpul

    $35.95
    Magpul 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
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    $35.95
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  • Used - H&K HK P7M13 13 Round Magazine - EXC - Ultra Rare - HKP-21043 HK P7M13 13 Round Magazine - Excellent Condition - Rare
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    HK P7M13 13 Round Magazine - Excellent Condition - Rare

    H&K Heckler & Koch

    $467.95
    H&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
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    $467.95
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  • New - Comp-Tac HK VP9 Lever + Align Tactical Holster – Right Hand - HKP-20870 HK VP9 Tactical Holster and Lever - RH
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    HK VP9 Tactical Holster and Lever - RH

    Comp-Tac

    $89.95
    Comp-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
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    $89.95
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  • New - HKP MP5 Brace/Stock Adapter - Black - HKP-20677 HK MP5 Stock or Brace Adapter
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    HK MP5 Stock or Brace Adapter

    HKP HK Parts

    $149.95
    HKP 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
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    $149.95
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  • New - H&K HK SL8, G36, Sight Rail w/ Flip Up Sights - HKP-17718 HK SL8, G36, Sight Rail w/ Flip Up Sights
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    HK SL8, G36, Sight Rail w/ Flip Up Sights

    H&K Heckler & Koch

    $598.95
    HK Sl8, G36 Aluminum Sight Rail With Front & Rear Flip Up Sights New production German HK HK Sl8, G36 picatinny rail with flip up front and rear sights. The latest production rail option from HK. All metal and built to take a lifetime of use and...
    HKP-17718
    $598.95
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  • On Sale
    New - HKP Comp Weight™ HK VP9, VP40 Quick Detach Compensator - HKP-21080-M HK VP9, VP40 Compensator - Quick Detach
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    HK VP9, VP40 Compensator - Quick Detach

    HKP HK Parts

    $82.46 - $112.46
    HKP 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
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  • New - HKP HK P30, HK P30L Comp Weight™ V1 Compensator Rail Adapter - Black - HKP-19038 HK P30, HK P30L Compensator - V2 - Rail Adapter
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    HK P30, HK P30L Compensator - V2 - Rail Adapter

    HKP HK Parts

    $34.95
    HKP 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
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    $34.95
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