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 HK VP/P30/45 Front Sight 6.1mm - Red - HKP-18830 HK VP9, P30, HK45 Front Sight 6.1mm - Red
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    HK VP9, P30, HK45 Front Sight 6.1mm - Red

    H&K Heckler & Koch

    $59.95
    Red Phosphorescent Front Sight - 6.1mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C Tactical
    HKP-18830
    $59.95
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    $59.95
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  • New - H&K HK USP/USPC/45/45C LEM Cocking Piece - HKP-02509
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    HK45, HK45 Compact, HK USP, USP Compact LEM Cocking Piece

    H&K Heckler & Koch

    $69.95
    HK USP/USPC/45/45C LEM Cocking Piece Compatible With All The Following LEM Models: USP Full Size USP Compacts HK45C HK45
    HKP-02509
    $69.95
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    $69.95
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  • New - H&K HK MR556/416 E1 Incomplete Charging Handle - Black - HKP-17540 HK416 E1, MR556 Charging Handle - Incomplete
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    HK416 E1, MR556 Charging Handle - Incomplete

    H&K Heckler & Koch

    $109.95
    HK MR556, HK 416 E1/E2 Charging Handle - Incomplete New HK German manufactured HK MR556, HK 416. A great item to have on hand in the event of breakage or high wear. Compatible With: HK MR556 HK 416 HK M27
    HKP-17540
    $109.95
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    $109.95
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  • New - H&K HK 416 Complete Bolt Head - HKP-00044 HK416 Bolt Head, Complete
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    HK416 Bolt Head, Complete

    H&K Heckler & Koch

    $788.95
    HK German Heckler and Koch's Bolt Head Complete for your HK416 New HK German manufacture for the HK416 models. Date coded, proof marked and current HK production.
    HKP-00044
    $788.95
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  • Out Of Stock
    New - H&K HK G36/SL8 Extractor Rubber Pin - HKP-02162

    HK G36, SL8 Extractor Rubber Pin

    H&K Heckler & Koch

    $0.00
    Heckler and Koch HK G36 and HK SL8 Extractor Rubber Pin
    HKP-02162
    $0.00
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  • New - H&K G36 (5.56/.223) Handguard - Original Style- Incomplete - HKP-16356 HK G36 Handguard, Incomplete - Original Style
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    HK G36 Handguard, Incomplete - Original Style

    H&K Heckler & Koch

    $69.95
    H&K G36 (5.56/.223) Handguard - Original Style- Incomplete
    HKP-16356
    $69.95
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  • New - H&K SL8 (5.56/.223) Catch - HKP-16349 HK USC, SL8 Locking Lever Catch
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    HK USC, SL8 Locking Lever Catch

    H&K Heckler & Koch

    $7.95
    H&K SL8 (5.56/.223) Catch
    HKP-16349
    $7.95
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  • Out Of Stock
    New - GSG9 HK G36 (5.56/.223) Complete Bolt Head - HKP-18983 HK G36 Bolt Head, Complete

    HK G36 Bolt Head, Complete

    GSG9

    $0.00
    G36 Bolt Head - Complete - USA G36 Bolt Head allows the use of double stack magazines in your SL8 conversion to high capacity G36, Magpul or AR15 Magazines. Perfect for the G36 conversions or for a spare part to have on hand. Made in the USA from 9310,...
    HKP-18983
    $0.00
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  • New - H&K G36 (5.56/.223) 10 Round Factory Magazine - FDE - HKP-18727 HK G36 Magazine - 10 Round - Factory - FDE
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    HK G36 Magazine - 10 Round - Factory - FDE

    H&K Heckler & Koch

    $87.95
    HK G36 10 Round Magazine in Flat Dark Earth (FDE) Compatible With: G36 G36K G36C Double Stack Capacity Magwell Converted SL8's   Specifications: Capacity: 10-rounds Condition: New, rare find Manufacturer: HK Germany
    HKP-18727
    $87.95
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  • New - H&K UMP (.40 S&W) 30 Round Magazine Housing - HKP-16369 HK UMP Magazine Housing - 30 Round - .40 S&W
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    HK UMP Magazine Housing - 30 Round - .40 S&W

    H&K Heckler & Koch

    $69.95
    New HK Heckler and Koch .40 S&W 30 Round Magazine Housing for HK UMP New HK German UMP .40 30 round factory magazine body. A great spare part in the event that your mag body is damaged or cracked.
    HKP-16369
    $69.95
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  • New - H&K UMP (.40 S&W) Magazine Follower - HKP-01901
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    HK UMP Magazine Follower - .40 S&W

    H&K Heckler & Koch

    $9.95
    HK UMP 30 Round Magzine Follower .40 S&W
    HKP-01901
    $9.95
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    $9.95
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  • Out Of Stock
    New - H&K UMP (.40 S&W) Magazine Locking Plate - HKP-16340 HK UMP Magazine Locking Plate - .40 S&W

    HK UMP Magazine Locking Plate - .40 S&W

    H&K Heckler & Koch

    $9.95
    H&K UMP (.40 S&W) Magazine Locking Plate German HK.
    HKP-16340
    $9.95
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