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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  • New - MKE AP5-P/M Handguard with Hand Stop - HKP-22221 Century Arms AP5-P, AP5-M Handguard with Handstop
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    Century Arms AP5-P, AP5-M Handguard with Handstop

    MKE

    $34.95
    MKE AP5-P/M Handguard with Hand Stop MKE handguard for the MKE manufactured Century AP5-P and AP5-M.  Please note: Will fit other MP5K style receivers with some slight fitting.  Compatible With: MKE/Century Arms AP5-P MKE/Century Arms...
    HKP-22221
    $34.95
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  • New - HK MP5K Magpul UCS Stock with Adapter - HKP-22198 HK MP5K Ultra Carbine Stock and Adapter
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    HK MP5K Ultra Carbine Stock and Adapter

    HKP HK Parts / Magpul

    $312.95
    HK MP5K Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5K pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right folding...
    HKP-22198
    $312.95
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  • Out Of Stock
    New - B&T MR762/417 Flash Hider - 15x1RH - HKP-22162

    HK417, MR762, G36 Flash Hider - ROTEX SF - Threaded 15x1 RH

    B&T Brugger & Thomet

    $119.95
    B&T Brugger and Thomet Flash Hider fits our HK417, HK MR762, and HK G36 - ROTEX SF B&T flash hider for any 5.56/.223 or 7.62x51/.308 firearm threaded in 15x1 RH. Compatible With: HK416 HK417 HK MR556 HK MR762 HK G36 Rifles threaded 15x1 RH
    HKP-22162
    $119.95
    Out Of Stock
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  • New - H&K CC9 Slide Cover Plate - HKP-22135
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    HK CC9 Slide Cover Plate

    H&K Heckler & Koch

    $9.95
    H&K CC9 Slide Cover Plate Made in Germany by H&K, the slide cover plate for the CC9 pistol retains the firing pin assembly within the slide. Compatible With: HK CC9  
    HKP-22135
    $9.95
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  • New - H&K CC9 Recoil Spring Support - HKP-22113
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    HK CC9 Recoil Spring Support

    H&K Heckler & Koch

    $5.95
    H&K CC9 Recoil Spring Support   Genuine H&K, this recoil spring support for the CC9 pistol guides and supports the recoil spring during cycling. Compatible With: HK CC9  
    HKP-22113
    $5.95
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    $5.95
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  • New - H&K CC9 Magazine Release Button - HKP-22111
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    HK CC9 Magazine Release Button

    H&K Heckler & Koch

    $19.95
    H&K CC9 Magazine Release Button   Made in Germany, this magazine release button for CC9 pistol allows the user to release the magazine from the frame.   Compatible With: HK CC9  
    HKP-22111
    $19.95
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  • New - Comp-Tac HK CC9 Comp Carry Holster - LH - HKP-22097 HK CC9 Holster - Comp Carry - LH
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    HK CC9 Holster - Comp Carry - LH

    Comp-Tac

    $59.95
    Comp-Tac HK CC9 Comp Carry Holster - Left Hand Designed for the HK CC9 with the HK Parts MOD 1 compensator, this holster offers a secure fit, smooth draw, and adjustable cant and ride height for optimal comfort and performance during concealed or...
    HKP-22097
    $59.95
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  • New - SB Tactical SBA3 5 Position Adjustable Stabilizing Brace - HKP-21927 SBA3 5 Position Adjustable Stabilizing Brace
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    SBA3 5 Position Adjustable Stabilizing Brace

    SB Tactical

    $109.95
    SB Tactical SBA3 5 Position Adjustable Stabilizing Brace The SBA3™ is a minimalist, 5-position adjustable stabilizing brace designed for platforms that accept a mil-spec carbine receiver extension (not included). It features an integral...
    HKP-21927
    $109.95
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  • New - HKP HK P30L MOD 1 Compensator - Threaded Barrel - HKP-21871 HK P30L MOD 1 Compensator - Threaded Barrel
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    HK P30L MOD 1 Compensator - Threaded Barrel

    HKP HK Parts

    $179.95
    HKP HK P30L MOD 1 Compensator - Threaded Barrel The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker. Each MOD 1 comp...
    HKP-21871
    $179.95
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  • New - RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 13.5x1 - HKP-21788 HK P30L Conversion Barrel - .40 S&W  to 9mm - Threaded - 13.5x1
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    HK P30L Conversion Barrel - .40 S&W to 9mm - Threaded - 13.5x1

    RCM

    $214.95
    RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your P30L to shoot the ubiqutous 9mm cartridge. Includes a thread protector. Each barrel is made from ordnance-grade steel,...
    HKP-21788
    $214.95
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    $214.95
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  • Used - H&K 12 Round HK P2000/USPC .40 S&W Magazine - LEO Marked - Used - HKP-21781 HK P2000, USPC Magazine - .40 S&W - 12 Round - LEO Marked - Used
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    HK P2000, USPC Magazine - .40 S&W - 12 Round - LEO Marked - Used

    H&K Heckler & Koch

    $69.95
    H&K 12 Round HK P2000/USPC .40 S&W Magazine - LEO Marked - Used All steel with rubberized floorplate with finger rest. Compatible With: HK USP Compact .40 Cal HK P2000 .40 Cal Will also fit the P2000SK .40 (will not fit flush)
    HKP-21781
    $69.95
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  • New - B&T TP9N Foregrip - HKP-21719 B&T TP9N Foregrip
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    B&T TP9N Foregrip

    B&T Brugger & Thomet

    $100.00
    B&T TP9N Foregrip Factory B&T black foregrip for the TP9N firearm. Compatible With: B&T TP9N
    HKP-21719
    $100.00
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    $100.00
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