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 - Lazy Wolf VP Series Trigger Safety Tab Kit - C1 Curved - Black - HKP-20083 HK VP Series Curved Trigger Safety Tab Kit

    HK VP Series Curved Trigger Safety Tab Kit

    Lazy Wolf

    $19.95
    Lazy Wolf Guns C1 Curved Trigger Tab and Spring Set for the HK VP Series   Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab,...
    HKP-20083
    $19.95
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    $19.95
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  • Used - HK SL8 Magwell - Used - Gray - HKP-20056 HK SL8 Magwell - Used - Gray
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    HK SL8 Magwell - Used - Gray

    USA

    $9.95
    HK SL8 Magwell - Used - Gray Used Magwell - Gray - SL8
    HKP-20056
    $9.95
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    $9.95
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  • Out Of Stock
    Used - FN P90 Demilled Parts Kit - HKP-19639

    P90 Kit - Demilled Parts - 50 Round

    FN

    $3,149.95
    FN P90 Demilled Parts Kit   Factory FN P90 F/A parts kit comes as pictured with all pieces less the actual receiver included one 50 round magazine. (Non FFL item as this is a parts kit)   ** Magazine Capacity Restricted States: You will be...
    HKP-19639
    $3,149.95
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  • New - Comp-Tac HK VP9B International Holster - Black - HKP-19597-M HK VP9B International Holster
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    HK VP9B International Holster

    Comp-Tac

    $79.95
    Comp-Tac HK VP9B International Holster The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1.  Designed to be worn at 3:00 this holster is perfect for competition...
    HKP-19597-M
    $79.95
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    $79.95
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  • Used - H&K HK SL8-1 Locking Lever Elbow Spring - HKP-16398
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    HK SL8-1 Locking Lever Spring - Elbow

    H&K Heckler & Koch

    $9.95
    HK SL8-1 Locking Lever Elbow Spring
    HKP-16398
    $9.95
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  • New - H&K HK P2000SK .40 S&W - Barrel - Black - HKP-01569 HK P2000SK Barrel - .40 S&W - 3.25"
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    HK P2000SK Barrel - .40 S&W - 3.25"

    H&K Heckler & Koch

    $259.95
    HK German Factory P2000SK .40 S&W Barrel Brand new HK P2000SK .40 Cal factory cold hammer forged polygonal rifled barrel. This barrel measures 3.25" and is drop-in ready.   Compatible With: HK P2000SK .40 S&W
    HKP-01569
    $259.95
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  • New - H&K VP9SK, VP40SK Right Side Grip Panel - Medium - Black - HKP-18299 HK VP9SK, VP40SK Grip Panel Right Side - Medium
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    HK VP9SK, VP40SK Grip Panel Right Side - Medium

    H&K Heckler & Koch

    $17.95
    H&K VP9SK, VP40SK Right Side Grip Panel - Medium - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SK
    HKP-18299
    $17.95
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  • New - H&K VP9SK, VP40SK Backstrap - Medium - Gray - HKP-18582 HK VP9SK, VP40SK Backstrap - Medium - Gray
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    HK VP9SK, VP40SK Backstrap - Medium - Gray

    H&K Heckler & Koch

    $29.95
    H&K VP9SK, VP40SK Backstrap - Medium - Gray New HK German manufacture. Compatible With: HK VP9SK HK VP40SK
    HKP-18582
    $29.95
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    $29.95
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  • New - H&K VP9SK, VP40SK Backstrap - Small - OD Green - HKP-18971 HK VP9SK, VP40SK Backstrap - Small - OD Green
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    HK VP9SK, VP40SK Backstrap - Small - OD Green

    H&K Heckler & Koch

    $29.95
    H&K VP9SK, VP40SK Back Strap - Small - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SK
    HKP-18971
    $29.95
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  • Out Of Stock
    New - HKP HK VP9, HK VP9SK, HK VP40 Enhanced Slide Cap w/ Firing Pin Window - Titanium - HKP-17943 HK VP9,  VP9SK, VP40 Enhanced Slide Cap - Firing Pin Window - Titanium

    HK VP9, VP9SK, VP40 Enhanced Slide Cap - Firing Pin Window - Titanium

    HKP HK Parts

    $59.95
    Enhanced Slide Plate Cover VP9, VP9SK & VP40 - Titanium With Firing Pin Viewing Window Enhanced HK VP9, VP40 Titanium slide plate in natural titanium alloy. The "enhanced" slide plate cover includes the firing pin viewing window. The enhanced slide...
    HKP-17943
    $59.95
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  • New - TBR HK MR762 Operator Brass Catcher - Black - HKP-19149 HK MR762 Brass Catcher - Operator Model
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    HK MR762 Brass Catcher - Operator Model

    TBR Tactical Brass Recovery

    $229.95
    Operator Brass Catcher for HK MR762 Operator model for HK MR762 rifle. Slightly different from other AR platform rifles because the HK MR762 has a bit higher rail to bore centerline dimension. This 4 position detent feature allows 180 degrees of motion...
    HKP-19149
    $229.95
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  • New - RCM HK P30 .40 S&W Tactical Barrel - Threaded 14.5x1 LH - HKP-16221 HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
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    HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH

    RCM

    $225.00
    RCM HK P30 .40 S&W Tactical Barrel - Threaded 14.5x1 LH   Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30...
    HKP-16221
    $225.00
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    $225.00
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