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 Old Style Hammer - HKP-02766 HK USP, USP Compact Old Style Hammer

    HK USP, USP Compact Old Style Hammer

    H&K Heckler & Koch

    $0.00
    HK USP & USPC Variants 1-4, 9, & 10 Old Style Hammer Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W & .357 HK USP Compact .45 ACP Any USP pre-1995 with the old-style sear...
    HKP-02766
    $0.00
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    $0.00
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  • Out Of Stock
    New - H&K 21E/PSG1/MSG90 (7.62x51/.308) & (5.56/.223) Factory Extractor - HKP-00250 HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223

    HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223

    H&K Heckler & Koch

    $129.95
    HK21E, 11E, PSG1, MSG90 Factory German HK Extractor
    HKP-00250
    $129.95
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    $129.95
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  • New - H&K MP5 40/10 Recoil Rod Bushing - Black - HKP-00441 HK MP5 Recoil Rod Bushing - 10mm / .40 S&W / .357 SIG
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    HK MP5 Recoil Rod Bushing - 10mm / .40 S&W / .357 SIG

    H&K Heckler & Koch

    $9.95
    New HK German MP5 40/10/.357 Recoil Rod Guide Ring Bushing For all MP5 40/10 & MP5F Recoil Rods. These will wear and become brittle and torn with age and use. A great item to have on hand for spare parts.
    HKP-00441
    $9.95
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  • New - H&K CC9 Firing Pin Return Spring - HKP-22137
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    HK CC9 Firing Pin Return Spring

    H&K Heckler & Koch

    $5.95
    H&K CC9 Firing Pin Return Spring OEM firing pin return spring for the CC9 pistol that regulates firing pin movement during cycling to ensure reliable function.   Compatible With: HK CC9  
    HKP-22137
    $5.95
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    $5.95
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  • New - H&K CC9 Sear Spring - HKP-22115
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    HK CC9 Sear Spring

    H&K Heckler & Koch

    $6.95
    H&K CC9 Sear Spring Made in Germany, the CC9 sear spring applies tension to the sear for proper engagement and release during firing cycle. Compatible With: HK CC9  
    HKP-22115
    $6.95
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    $6.95
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  • Out Of Stock
    New - KNS Precision HK Push Button Take Down Pin - Small - HKP-21389 KNS Precision HK Push Button Take Down Pin - Small

    KNS Precision HK Push Button Take Down Pin - Small

    KNS Precision

    $24.99
    KNS Precision HK Push Button Take Down Pin - Small .234" This 6mm (.234") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...
    HKP-21389
    $24.99
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    $24.99
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  • New - H&K VP9, VP40 Left Side Grip Panel - Medium - OD Green - HKP-19175 HK VP9, VP40 Left Side Grip Panel - Medium - OD Green
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    HK VP9, VP40 Left Side Grip Panel - Medium - OD Green

    H&K Heckler & Koch

    $19.95
    H&K VP9, VP40 Left Side Grip Panel - Medium - OD Green New HK German manufactured. This grip is designed for the left side and comes in a medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible...
    HKP-19175
    $19.95
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  • Used - H&K HK SL8-1 Incomplete Locking Lever - HKP-16367 HK SL8-1 Locking Lever Housing - Incomplete
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    HK SL8-1 Locking Lever Housing - Incomplete

    H&K Heckler & Koch

    $9.95
    H&K HK SL8-1 Incomplete Locking Lever
    HKP-16367
    $9.95
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  • Used - H&K HK SL8-1 Locking Lever Elbow Spring - HKP-16398
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    HK SL8-1 Locking Lever Spring - Elbow

    H&K Heckler & Koch

    $9.95
    HK SL8-1 Locking Lever Elbow Spring
    HKP-16398
    $9.95
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  • New - H&K VP9SK, VP40SK Backstrap - Small - OD Green - HKP-18971 HK VP9SK, VP40SK Backstrap - Small - OD Green
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    HK VP9SK, VP40SK Backstrap - Small - OD Green

    H&K Heckler & Koch

    $29.95
    H&K VP9SK, VP40SK Back Strap - Small - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SK
    HKP-18971
    $29.95
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    $29.95
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  • New - H&K HK USP Expert Bobbed Hammer - HKP-18198 HK USP Expert Bobbed Hammer
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    HK USP Expert Bobbed Hammer

    H&K Heckler & Koch

    $29.95
    USP Expert Bobbed Hammer Old Style The USP Expert Hammer works with HK USP Expert variants. Compatible With: HK USP Expert 9mm HK USP Expert 40 HK USP Expert 45
    HKP-18198
    $29.95
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    $29.95
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