Small Parts

Small Parts

Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.

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    New - H&K HK P Series LEM Elbow Spring - HKP-02498

    HK P Series LEM Elbow Spring

    H&K Heckler & Koch

    $6.95
    HK P Series LEM Elbow Spring Compatible With All LEM Models Below: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK
    HKP-02498
    $6.95
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    $6.95
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  • New - H&K 91/G3 (7.62x51/.308) Cocking Handle Support - HKP-01442 HK91, G3 Cocking Handle Support
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    HK91, G3 Cocking Handle Support

    H&K Heckler & Koch

    $24.95
    New HK German 91, G3, & PTR Cocking Handle Support A genuine German Heckler & Koch all-steel part. Compatible With: HK91 HK G3 PTR-91 PTR-32 HK .308 Custom builds & clones
    HKP-01442
    $24.95
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  • New - HKP Roller +1 - New - 8.01mm - HKP-19424 HKP Roller +1 - New - 8.01mm
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    HKP Roller +1 - New - 8.01mm

    H&K Heckler & Koch

    $8.99
    Roller +1 - New - 8.01mm HK Parts Standard (8.01 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    HKP-19424
    $8.99
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  • New - H&K HK USP/45/P30/P2000 12LB Stock Hammer Spring - HKP-01284
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    HK45, USP, P30, P2000 Hammer Spring - 12LB Stock

    H&K Heckler & Koch

    $5.95
    12LB Stock Hammer Spring This is the spring used in some custom trigger jobs, along with other trigger return and firing pin block springs. This spring can be used on the P30 along with the light trigger return spring and light firing pin block...
    HKP-01284
    $5.95
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  • New - Magpul M-LOK 5 Slot Rail Section - HKP-19568 M-LOK Rail Section - 5 Slot
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    M-LOK Rail Section - 5 Slot

    Magpul

    $18.95
    Magpul M-LOK 5 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...
    HKP-19568
    $18.95
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    New - HKP MP5 & MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release - HKP-17570 HK MP5, MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release

    HK MP5, MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release

    HKP HK Parts

    $29.47
    HK MP5, MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release Latest generation paddle mag release for all 9mm MP5, MP5K style builds. Made to the latest German specs, materials, and design.  Compatible With: MP5, 94 MP5K, SP89, SP5K Other...
    HKP-17570
    $29.47
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  • New - H&K HK P30 Series Left Slide Release Shorty - Black - HKP-02486 HK P30 Series Left Slide Release Shorty
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    HK P30 Series Left Slide Release Shorty

    H&K Heckler & Koch

    $64.95
    HK P30 Series Left Slide Release Shorty This is the left side of the frame shorter slide release lever for the HK P30, P30L & P30SK version models. This shorter slide release lever is also the standard lever found on the P30S & P30SK models...
    HKP-02486
    $64.95
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    New - H&K USP/P30/HK45 New Style Firing Pin Block - HKP-01285 HK P30, HK45, USP Firing Pin Block - New Style

    HK P30, HK45, USP Firing Pin Block - New Style

    H&K Heckler & Koch

    $16.95
    H&K USP/P30/HK45 New Style Firing Pin Block A factory Heckler and Koch part. Compatible With: HK USP 45, 40 & 9mm HK USP Tactical, Elite, Expert HK USP Compact 9mm, .40 & .45 HK USPC Tactical 9mm, .40 & .45 HK P30, P30L, P30S &...
    HKP-01285
    $16.95
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  • New - MKE Large Butt Stock Push Pin - HKP-21593 HK90 Series Stock Locking Pin - Large
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    HK90 Series Stock Locking Pin - Large

    MKE

    $6.95
    MKE Large Push Pin for your HK90 Series Stock Each large stock push pin is used to retain the stock to the receiver on the 90-series firearms. These are great replacement or spare part to keep on hand as they fit all of the 90-series firearms below. The...
    HKP-21593
    $6.95
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    New - H&K HK USP/Mark 23 Recoil Assemblies Snap Ring - HKP-01258

    HK USP, Mark 23 Recoil Assemblies Snap Ring

    H&K Heckler & Koch

    $5.95
    H&K HK USP/Mark 23 Recoil Assemblies Snap Ring The snap ring secures the spring onto the recoil buffer spring assembly. This part can come loose and become lost or easily worn. Once you remove them, HK suggests replacing them with a new snap ring...
    HKP-01258
    $5.95
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  • New - H&K Roller Type Trip Lever - HKP-02466 HK Roller Type Trip Lever
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    HK Roller Type Trip Lever

    H&K Heckler & Koch

    $29.95
    H&K Roller Type Trip Lever This is a genuine German Heckler & Koch part. This is the newer style trip lever for use with a roller sear catch, not the older friction type. Please Note: May or may not be marked with the X or XX...
    HKP-02466
    $29.95
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  • HK MP5, MP5K Spare Parts Kit HK MP5, MP5K Spare Parts Kit
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    HK MP5, MP5K Spare Parts Kit

    H&K Heckler & Koch

    $239.95
    H&K HK MP5, MP5K Spare Parts Kit HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K Spare parts kits for the most commonly worn parts needed to keep your precious MP5/MP5K going. This offering also includes a pouch to safely store all your replacement parts...
    HKP-20619
    $239.95
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    $239.95
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