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 - H&K 22 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red - HKP-20184 HK 22 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red
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    HK 22 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red

    $99.95
    H&K 22 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red HK Parts +10 magazine extension coupled with a 13 round .40 cal factory German magazine body adds 9 additional rounds. For a total fully assembled hand fitted...
    HKP-20184
    $99.95
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  • Out Of Stock
    New - Trijicon HK VP9, P30, HK45C Suppressor Height Night Sight Set - HKP-19799 HK45 Compact, VP9, P30 Night Sight Set - Suppressor Height

    HK45 Compact, VP9, P30 Night Sight Set - Suppressor Height

    Trijicon

    $159.95
    HK Trijicon Green 3-Dot Suppressor Height Night Sight Set for HK45 Compact, VP9, P30 Trijicon Bright & Tough suppressor-height 3-dot night sight set for HK VP9, P30, and HK45C platforms. These sights use Trijicon’s tritium-illuminated green...
    HKP-19799
    $159.95
    Out Of Stock
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  • New - H&K HK MR762/417 Extended Picatinny Handguard - Black - HKP-16656 HK417, MR762 Handguard - Extended Picatinny
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    HK417, MR762 Handguard - Extended Picatinny

    H&K Heckler & Koch

    $656.95
    HK MR762, HK 417 Extended Picatinny Handguard Complete HK German manufacture. Each unit comes with both of the mounting screws. HK's extended 13" rail allows for longer sight radius and more rail space for your MR762 or HK417. The MR762 comes from the...
    HKP-16656
    $656.95
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    $656.95
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  • New - Comp-Tac HK 45 Twin Mag Pouch - Black - HKP-17501 HK45 Mag Pouch - Twin
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    HK45 Mag Pouch - Twin

    Comp-Tac

    $59.95
    Comp-Tac HK 45 Twin Mag Pouch The Comp-Tac Twin Magazine Belt pouch is an outside the waistband holder that carries two magazines attached together. Designed to be worn at 9:00 for a right handed shooter this is an excellent way to carry more ammunition...
    HKP-17501
    $59.95
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  • New - H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier - HKP-16847
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    HK416, MR556 Bolt Carrier Roll Pin

    H&K Heckler & Koch

    $6.95
    H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416
    HKP-16847
    $6.95
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    $6.95
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  • New - H&K HK MR556/416 E1 Charging Handle - RAL 8000 - HKP-18502 HK416 E1, MR556 Charging Handle - Ambi - RAL8000
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    HK416 E1, MR556 Charging Handle - Ambi - RAL8000

    H&K Heckler & Koch

    $169.99
    New RAL 8000 HK Designed HK416, MR556 Ambidextrous Charging Handle (E1). The E1 HK 416 FDE charging handle release latch has the ability of being swapped from the left side (E1) to the right sight (E2) with simple tools. HK's own design boasts a smooth...
    HKP-18502
    $169.99
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  • Used - H&K 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - Used - HKP-18924 HK91, G3, PTR Magazine - 5 Round - Used
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    HK91, G3, PTR Magazine - 5 Round - Used

    H&K Heckler & Koch

    $59.95
    German 5 Round Steel Magazine - G3, 91, CETME .308 - Like New Compatible With: HK G3, 91, PTR HK CETME, Clone or other custom builds HK PSG-1 HK MSG-90 HK 11
    HKP-18924
    $59.95
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  • New - H&K MP5 40/10 Bolt Hold Open Lever - HKP-01471
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    HK MP5 Bolt Catch Lever - .40 S&W / 10mm

    H&K Heckler & Koch

    $74.95
    MP5 40, MP5 10 Bolt Hold Open Lever - German HK - New  A great upgrade for the out-of-spec and sub-par quality part found on clone builds. Compatible With: MP5 40 MP5 10mm MP5 .357 Sig MP5 9 X 25 Dillon
    HKP-01471
    $74.95
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  • New - HKP MP5 40/10 Magazine Floor Plate - HKP-16507 HK MP5 Magazine Floorplate - .40 S&W / 10mm - US
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    HK MP5 Magazine Floorplate - .40 S&W / 10mm - US

    HKP HK Parts

    $9.95
    HKP MP5 40/10 Magazine Floor Plate Great for spare parts and also a much needed US made compliant part for U.S. compliance.
    HKP-16507
    $9.95
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    $9.95
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  • New - H&K CC9 Front Night Sight - HKP-22143
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    HK CC9 Front Night Sight

    H&K Heckler & Koch

    $53.95
    H&K CC9 Front Night Sight Front tritium night sight for the H&K CC9 pistol. Provides improved visibility in low-light conditions.    Compatible With: HK CC9
    HKP-22143
    $53.95
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  • New - SB Tactical HK MP5K Folding Brace/Stock Adapter - Black - HKP-21413 HK MP5K Brace or Stock Adapter - Folding
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    HK MP5K Brace or Stock Adapter - Folding

    HKP HK Parts / SB Tactical

    $79.99
    SB Tactical HK MP5K Folding Brace/Stock Adapter Factory SB Tactical adapter for folding pistol brace. Aluminum with hard coat anodize for the ultimate finish.  Features: Seamless styling adds elegance & operator utility Quick and easy H buffer...
    HKP-21413
    $79.99
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  • Used - USA HK G36 Top Rail Screw - HKP-20893 HK G36 Top Rail Screw
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    HK G36 Top Rail Screw

    USA

    $3.95
    USA HK G36 Top Rail Screw
    HKP-20893
    $3.95
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    $3.95
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