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 45C LEM Hammer Spring - HKP-15789
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    HK45 Compact LEM Hammer Spring

    H&K Heckler & Koch

    $9.95
    Hammer Spring For HK 45C LEM Models This hammer spring is the factory correct LEM hammer spring for the HK45C and HK45CT. This is the spring needed to use any other variant of LEM kit to be complete to be used on the HK45C pistol. This is also a great...
    $9.95
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  • New - H&K HK Mark 23 Hammer Spring - HKP-01587
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    HK Mark 23 Hammer Spring

    H&K Heckler & Koch

    $10.95
    HK Mark 23 Hammer Spring
    $10.95
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    $10.95
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  • New - H&K HK 45/P30SK Lockout Compression Spring - HKP-02272
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    HK45, P30SK Safety Lever Compression Spring

    H&K Heckler & Koch

    $6.95
    HK 45 & P30SK Lockout Compression Spring   Compatible With: HK45 HK45 Compact HK P30SK
    $6.95
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  • New - H&K HK USP Full Size Right Side Ambidextrous Control Lever - HKP-16625
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    HK USP Full Size Right Side Ambidextrous Control Lever

    H&K Heckler & Koch

    $29.95
    H&K HK USP Full Size Right Side Ambidextrous Control Lever Good spare to have on hand as they are prone to damage or cracking. This item will only fit the left side ambidextrous control lever with axle.
    $29.95
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  • Out Of Stock
    New - H&K HK USP Variant 1-6, 9 & 10 Hammer Axle - HKP-01931

    HK USP Variant 1-6, 9, 10 Hammer Axle

    H&K Heckler & Koch

    $31.95
    HK USP Variant 1-6, 9, & 10 Hammer Axle   Compatible With: HK USP 9mm HK USP 40 HK USP 45
    $31.95
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    $31.95
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  • New - H&K HK USP Series Old Style Firing Pin Block - HKP-01926 HK USP Firing Pin Block - Old Style
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    HK USP Firing Pin Block - Old Style

    H&K Heckler & Koch

    $29.95
    HK USP Series Old Style Firing Pin Block Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Compact 9mm HK USP Compact 357 HK USP Compact 40 HK USP Compact 45
    $29.95
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  • Out Of Stock
    New - H&K HK SL8-1 Sear Spring - HKP-16399

    HK SL8-1 Sear Spring

    H&K Heckler & Koch

    $9.95
    HK SL8-1 Sear Spring
    $9.95
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  • New - H&K G36 (5.56/.223) Cocking Handle Bushing - HKP-01869
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    HK G36 Cocking Handle Bushing

    H&K Heckler & Koch

    $9.95
    HK German G36 Cocking Handle Bushing
    $9.95
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  • New - H&K Grip Panel, Left Side - Medium - VP9SK - FDE - HKP-18585 HKVP9SK Grip Panel - Left Side - Medium - FDE
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    HKVP9SK Grip Panel - Left Side - Medium - FDE

    H&K Heckler & Koch

    $16.95
    Heckler and Koch Grip Panel, Left Side - Medium - VP9SK - FDE New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK
    $16.95
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  • New - H&K VP9, VP40 Backstrap - Small - FDE - HKP-18118 HK VP9, VP40 Backstrap - Small - FDE
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    HK VP9, VP40 Backstrap - Small - FDE

    H&K Heckler & Koch

    $29.95
    H&K VP9, VP40 Backstrap - Small - FDE New HK German manufacture Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 K
    $29.95
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  • New - H&K VP9/SK & VP40 Insert Housing w/ Ejector - HKP-16804 HK VP9, VPSK, VP40 Insert Housing with Ejector
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    HK VP9, VPSK, VP40 Insert Housing with Ejector

    H&K Heckler & Koch

    $49.95
    H&K VP9/SK & VP40 Insert Housing w/ Ejector Insert housing with ejector for HK VP9 & VP40. Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40
    $49.95
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  • New - H&K VP9, VP40 Grip Panel Left Side - Small - FDE - HKP-18112 HK VP9, VP40 Grip Panel Left Side - Small - FDE
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    HK VP9, VP40 Grip Panel Left Side - Small - FDE

    H&K Heckler & Koch

    $24.99
    H&K VP9, VP40 Grip Panel Left Side - Small - FDE New HK German manufactured. Left side, small size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 K
    $24.99
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