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 USP/USPC/45/45C LEM Hammer - HKP-02705 HK45, HK45 Compact, USP, USP Compact LEM Hammer
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    HK45, HK45 Compact, USP, USP Compact LEM Hammer

    H&K Heckler & Koch

    $69.95
    Heckler and Koch HK USP, USP Compact, HK45, HK45 Compact LEM Hammer LEM (Law Enforcement Modification) hammer designed for compatible HK hammer-fired pistol platforms. Intended for use in LEM trigger configurations and suitable for maintenance,...
    HKP-02705
    $69.95
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  • New - H&K USC (.45 ACP) Carbine Mag Release Axle - HKP-02584
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    HK USC Magazine Release Axle - .45 ACP

    H&K Heckler & Koch

    $18.95
    Heckler and Koch USC .45 ACP Magazine Release Axle Replacement magazine release axle for HK USC .45 ACP platforms. This component is commonly replaced due to wear or breakage and may also be required when configuring compliant magazine release systems...
    HKP-02584
    $18.95
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  • New - H&K USC (.45 ACP) Lower Locking Lever Axle - HKP-16376
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    HK USC Locking Lever Axle - .45 ACP

    H&K Heckler & Koch

    $29.95
    HK USC Lower Locking Lever Axle A great item to have on hand as spares. New German HK. Compatible With: All USC lowers
    HKP-16376
    $29.95
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  • Out Of Stock
    New - H&K MP5 40/10 Threaded Bolt/Mag Follower Catch Screw - HKP-00454 HK MP5 Catch Screw, Bolt or Mag Follower - 10mm and .40 S&W - Threaded

    HK MP5 Catch Screw, Bolt or Mag Follower - 10mm and .40 S&W - Threaded

    H&K Heckler & Koch

    $34.95
    MP5 40/10 Threaded Bolt Catch For Magazine Follower This is the small threaded screw that fits into the bolt-hold-open axle and makes contact with the magazine follower to activate the bolt-hold-open. A small but critical part is to keep spares on hand,...
    HKP-00454
    $34.95
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  • New - H&K MP5 40/10 -4 Roller - HKP-00337 HK MP5 40, 10 Roller - -4
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    HK MP5 40, 10 Roller - -4

    H&K Heckler & Koch

    $19.95
    HK German MP5 40/10 -4 roller Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...
    HKP-00337
    $19.95
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  • New - H&K VP9, VP40 Left Side Grip Panel - Large - OD Green - HKP-19174 HK VP9, VP40 Left Side Grip Panel - Large - OD Green
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    HK VP9, VP40 Left Side Grip Panel - Large - OD Green

    H&K Heckler & Koch

    $24.99
    H&K VP9, VP40 Left Side Grip Panel - Large - OD Green New HK German manufactured. Left side size large. Perfect for spare or for custom stippling projects. Drop-in part for rour HK VP Pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40
    HKP-19174
    $24.99
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  • New - H&K VP9SK Right Side Grip Panel - Medium - OD Green - HKP-18967 HK VP9SK Right Side Grip Panel - Medium - OD Green
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    HK VP9SK Right Side Grip Panel - Medium - OD Green

    H&K Heckler & Koch

    $19.95
    H&K VP9SK Right Side Grip Panel - Medium - OD Green New HK German manufactured. Right side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK
    HKP-18967
    $19.95
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  • New - Talon Grip HK VP9SK Granulate - Small - Black - HKP-20261 HK VP9SK Grip Wrap for Small Backstraps - Granulate
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    HK VP9SK Grip Wrap for Small Backstraps - Granulate

    Talon Grip

    $19.99
    TALON Grip - H&K VP9SK - Granulate Black - Small Backstrap 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...
    HKP-20261
    $19.99
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  • New - H&K VP9, VP40 Backstrap - Small - OD Green - HKP-18839 HK VP9, VP40 Backstrap - Small - OD Green
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    HK VP9, VP40 Backstrap - Small - OD Green

    H&K Heckler & Koch

    $24.95
    H&K VP9, VP40 Backstrap - Small - OD Green New HK German Manufactured Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 K
    HKP-18839
    $24.95
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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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  • 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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  • 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
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