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 - Magpul HK MP5, HK94, HK93 MOE SL-K Stock - Black - HKP-20490 HK MP5, HK93 Stock - MOE SL
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    HK MP5, HK93 Stock - MOE SL

    Magpul

    $189.95
    Magpul HK MP5, HK94, HK93 MOE SL-K Stock Magpul MOE SL-K MP5 ,HK 94, HK93 complete stock ready to drop in. Great option for those looking for different length options. Sleek and perfectly designed. The SL-K is designed for compact PDW style weapons or...
    HKP-20490
    $189.95
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  • New - Talon Grip HK45 Rubber - Black - HKP-20256 HK45 Grip Wrap - Rubber
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    HK45 Grip Wrap - Rubber

    Talon Grip

    $19.99
    TALON Grip - HK45 - Rubber Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The pistol grips will not...
    HKP-20256
    $19.99
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  • Used - H&K HK 91/G3/PTR Fixed Stock Complete w/ Enhanced Heavy Buffer - Surplus - Black - HKP-20069 HK91, G3 PTR Fixed Stock Complete with Enhanced Heavy Buffer - Surplus - Black
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    HK91, G3 PTR Fixed Stock Complete with Enhanced Heavy Buffer - Surplus - Black

    H&K Heckler & Koch

    $349.95
    German G3, 91, PTR Stock complete with Enhanced Heavy Buffer - Surplus Used black German stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts...
    HKP-20069
    $349.95
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    $349.95
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  • Thread Protector - 9mm - 13.5x1 LH - Titanium New - HKP 9mm Titanium Thread Protector - Threaded 13.5x1 LH - HKP-19724
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    Thread Protector - 9mm - 13.5x1 LH - Titanium

    HKP HK Parts

    $29.95
    HKP 9mm Titanium Thread Protector - Threaded 13.5x1 LH   This billet-machined titanium thread protector with a DLC finish fits all 13.5x1 LH-threaded barrels. Its unique design covers and protects your barrel's crown. The included O-ring ensures a...
    HKP-19724
    $29.95
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  • New - Midwest Industries B&T APC Brace/Stock Adapter - HKP-19673 Midwest Industries B&T APC Brace/Stock Adapter
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    Midwest Industries B&T APC Brace/Stock Adapter

    $69.95
    Midwest Industries B&T APC Brace/Stock Adapter  Features: Made in the USA Easy installation Adds section of picatinny rail to back of receiver for stocks, arm braces, and sling adapters Constructed of 6061 aluminum hardcoat anodized Compatible...
    HKP-19673
    $69.95
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  • Out Of Stock
    New - PWS Keymod Bipod Adapter for Harris Style Bipods - HKP-19272 PWS Keymod Bipod Adapter for Harris Style Bipods

    PWS Keymod Bipod Adapter for Harris Style Bipods

    PWS Primary Weapon Systems

    $21.95
    Keymod Bipod Adapter for Harris Style Bipods The Harris Style Bipod Mount is quick to install and easy to use. Fits snug to your KeyMod or PicMod handguard and ensures a stronghold on your Harris Bipod.
    HKP-19272
    $21.95
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  • New - B&T BT USW A1 Level III Duty RH Holster w/ NANO Cover - Black - HKP-18314 B&T USW A1 Holster - Level III Duty - NANO Cover - RH
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    B&T USW A1 Holster - Level III Duty - NANO Cover - RH

    B&T Brugger & Thomet

    $224.95
    B&T USW A1 Level III Duty RH Holster w/ NANO Cover Made in Italy by Radar for the B&T USW A1 This B&T Hooded Holster is for those who carry a duty gun. The user can draw the gun immediately while being protected from unauthorized access due...
    HKP-18314
    $224.95
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    $224.95
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  • New - H&K VP9, VP40 Backstrap - Medium - Gray - HKP-18126 HK VP9, VP40 Backstrap - Medium - Gray
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    HK VP9, VP40 Backstrap - Medium - Gray

    H&K Heckler & Koch

    $29.95
    H&K VP9, VP40 Backstrap - Medium - Gray   New HK German manufacture   Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 K
    HKP-18126
    $29.95
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  • Out Of Stock
    New - H&K HK MR762/417 Buttstock Complete Concave E2 - HKP-16628 HK417, MR762 Buttstock Complete Concave E2

    HK417, MR762 Buttstock Complete Concave E2

    H&K Heckler & Koch

    $199.95
    H&K HK MR762/417 Buttstock Complete Concave E2 Compatible With: HK MR762 HK 417
    HKP-16628
    $199.95
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  • New - H&K HK MR762/417 Charging Handle Pin - HKP-16754
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    HK417, MR762 Charging Handle Pin

    H&K Heckler & Koch

    $6.95
    H&K HK MR762/417 Charging Handle Pin HK MR762 & HK 417 Clamping Sleeve for plate on charging handle. There are two of these pins used on the charging handle. Compatible With: HK MR762 HK 417
    HKP-16754
    $6.95
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  • New - H&K HK MR762 Firing Pin Retaining Pin - HKP-16612
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    HK417, MR762 Firing Pin Retaining Pin

    H&K Heckler & Koch

    $19.95
    Heckler and Koch MR762 Firing Pin Retaining Pin This firing pin retaining pin is made from a durable, black finished, steel and is a factory original Heckler and Koch component. This retaining pin is made for the HK417 and HK MR762 model of rifles. This...
    HKP-16612
    $19.95
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  • New - H&K HK USPC .40 S&W Barrel - Black - HKP-01413 HK USP Compact Barrel - .40 S&W - 3.58"
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    HK USP Compact Barrel - .40 S&W - 3.58"

    H&K Heckler & Koch

    $234.95
    HK USP Compact .40 S&W Barrel - 3.58" Overall Barrel Length A drop-in replacement barrel for all HK USPC .40 or .357 pistols. This is a great spare or replacement barrel. This is a must-have if you want to convert your .357 USPC to .40 cal...
    HKP-01413
    $234.95
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