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 Mark 23 Decocking Spring - HKP-02322
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    HK Mark 23 Decocking Spring

    H&K Heckler & Koch

    $6.95
    HK Mark 23 Decocking Spring  
    HKP-02322
    $6.95
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    $6.95
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  • New - H&K HK P30/P2000 Trigger Bar Detent - HKP-01798
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    HK P30, P2000 Trigger Bar Detent

    H&K Heckler & Koch

    $16.95
    HK P30 & P2000 Trigger Bar Detent Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SK HK P30 HK P30L HK P30SK
    HKP-01798
    $16.95
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    $16.95
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  • Out Of Stock
    New - H&K HK USP/45/P2000 Sear Axle - HKP-01251

    HK45, USP, P2000 Sear Axle

    H&K Heckler & Koch

    $13.95
    Sear Axle Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACP HK USP Compact LEM HK45 HK45 Compact HK P2000 9mm HK P2000 .40 S&W HK P2000 .357...
    HKP-01251
    $13.95
    Out Of Stock
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    $13.95
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  • New - H&K HK MR556/MR762/416/417 Sear Release Rocker Latch - HKP-12705
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    HK416, HK417, MR556, MR762 Sear Release Rocker Latch

    H&K Heckler & Koch

    $99.95
    H&K HK MR556/MR762/416/417 Sear Release Rocker Latch Compatible With: HK MR556 HK 416 HK MR762 HK 417
    HKP-12705
    $99.95
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    $99.95
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  • Out Of Stock
    New - HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin - HKP-16339 HK UMP, USC Stock Block B - Push Pin

    HK UMP, USC Stock Block B - Push Pin

    HDPS

    $39.95
    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin This sling pin will replace the current production stock Block B hardware and upgrade to the Sling Pin Pull Style version.
    HKP-16339
    $39.95
    Out Of Stock
    Qty in Cart: 0
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    $39.95
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  • New - RCM MP5 40/10 Extractor - HKP-01969 HK MP5 Extractor - 10mm / .40 S&W
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    HK MP5 Extractor - 10mm / .40 S&W

    RCM

    $34.95
    MP5 40 & 10mm Extractor - US Made This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.
    HKP-01969
    $34.95
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    $34.95
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  • RCM HK MP5K Recoil Rod HK MP5K Recoil Rod Assembly - 9mm
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    HK MP5K Recoil Rod Assembly - 9mm

    RCM

    $54.95
    RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5K NOT compatible with SP5K with the F-style recoil rod MP5K clones and...
    HKP-22203
    $54.95
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  • Out Of Stock
    New - KCI HK MP5 Locking Plate - HKP-21377 HK MP5 Magazine Locking Plate - 30 Round

    HK MP5 Magazine Locking Plate - 30 Round

    KCI

    $3.49
    KCI HK MP5 Locking Plate Spare locking plate for KCI MP5 30 round magazines. Compatible With: HK MP5
    HKP-21377
    $3.49
    Out Of Stock
    Qty in Cart: 0
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    $3.49
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  • New - H&K HK MR762 Ejection Door Clamping Sleeve - HKP-16518
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    HK MR762 Ejection Door Clamping Sleeve

    H&K Heckler & Koch

    $4.95
    H&K HK MR762 Ejection Door Clamping Sleeve Compatible With: HK MR762
    HKP-16518
    $4.95
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    $4.95
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  • New - H&K P30L .40 S&W Complete Recoil Assembly - HKP-02436 New - H&K P30L .40 S&W Complete Recoil Assembly - HKP-02436
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    HK P30L .40 S&W Complete Recoil Assembly

    H&K Heckler & Koch

    $109.95
    HK P30L .40 S&W Complete Recoil Assembly A genuine German Heckler & Koch part. Spare recoil assemblies are a great help to keep the pistol functioning as it was designed. Compatible With:  HK P30L .40.
    HKP-02436
    $109.95
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    $109.95
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  • New - H&K HK P2000/P2000SK Magazine Disconnect Elbow Spring - HKP-02601
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    HK P2000, P2000SK Magazine Disconnect Elbow Spring

    H&K Heckler & Koch

    $9.95
    HK Magazine Disconnect Elbow Spring   Compatible With: HK P2000 HK P2000SK
    HKP-02601
    $9.95
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    $9.95
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  • New - H&K HK P Series Disconnector - HKP-01794 HK P Series Disconnector
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    HK P Series Disconnector

    H&K Heckler & Koch

    $6.95
    HK P Series Disconnector Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30  HK P30L HK P2000 HK P2000SK
    HKP-01794
    $6.95
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    $6.95
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