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 PSG1/MSG90 (7.62x51/.308) Ejector Lever - HKP-00537 HK PSG1, MSG90 Ejector Lever
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    HK PSG1, MSG90 Ejector Lever

    H&K Heckler & Koch

    $79.95
    Heckler and Koch Ejector Lever for HK PSG1, MSG90 German-made ejector lever for PSG1 and MSG90 platforms. Direct replacement part built to original factory-spec for reliable extraction and correct bolt head function. Compatible With: PSG1, MSG90
    HKP-00537
    $79.95
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  • HK MR556 A4 Hammer - Incomplete - Semi-Auto HK MR556 A4 Hammer - Incomplete - Semi-Auto
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    HK MR556 A4 Hammer - Incomplete - Semi-Auto

    H&K Heckler & Koch

    $43.95
    Heckler and Koch Hammer for HK MR556 Semi-Auto rifles Factory-original German steel hammer for MR556 A4 rifles. Designed as a direct replacement for worn or damaged hammers in MR556 A1 and A4 trigger assemblies. Compatible With: MR556A1 MR556...
    HKP-22384
    $43.95
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  • HK MP5, AP5 Recoil Rod
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    HK MP5, AP5 Recoil Rod

    MKE

    $64.95
    MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...
    HKP-99343
    $64.95
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  • New - H&K HK P7/P9 Extractor - HKP-22236 H&K HK P7/P9 Extractor H&K Heckler & Koch HKP-22236
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    HK P7, P9 Extractor

    H&K Heckler & Koch

    $34.95
    H&K HK P7/P9 Extractor - Short / 7.65mm Removes spent casings from the chamber of H&K P7 and P9 pistols for reliable cycling. Compatible With: HK P7 K3  
    HKP-22236
    $34.95
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  • New - H&K CC9 Firing Pin Disconnect - HKP-22140
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    HK CC9 Firing Pin Disconnect

    H&K Heckler & Koch

    $5.95
    H&K CC9 Firing Pin Disconnect OEM firing pin disconnect for the H&K CC9 pistol. Controls firing pin engagement during the firing cycle. Compatible With: HK CC9    
    HKP-22140
    $5.95
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  • New - H&K CC9 Disconnector - HKP-22117
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    HK CC9 Disconnector

    H&K Heckler & Koch

    $13.95
    H&K CC9 Disconnector Made by H&K, this CC9 disconnector controls hammer release timing and prevents hammer follow during cycling. Compatible With: HK CC9  
    HKP-22117
    $13.95
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  • New - H&K P30S/P30SK Safety Lever Detent Pin - HKP-21988 HK P30S, P30SK Safety Lever Detent Pin
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    HK P30S, P30SK Safety Lever Detent Pin

    H&K Heckler & Koch

    $16.95
    H&K P30S/P30SK Safety Lever Detent Pin Detent pin for the manual safety mechanism on P30S and P30SK models. Compatible With: HK P30S HK P30SK
    HKP-21988
    $16.95
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  • New - H&K HK G36/SL8 Sling/Bipod Eye Bolt - HKP-21654 HK G36, SL8 Handguard Eye Bolt - Slings, Bipods
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    HK G36, SL8 Handguard Eye Bolt - Slings, Bipods

    H&K Heckler & Koch

    $79.95
    H&K HK G36/SL8 Sling/Bipod Eye Bolt Factory HK sling and bipod eye bolt for H&K G36 and SL8 rifle models.  Steel construction with a durable black finish.  Installs easily into the forward portion of the handguard to provide a secure...
    HKP-21654
    $79.95
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  • HK23E, HK21E Rear Sight Base HK23E, HK21E Rear Sight Base
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    HK23E, HK21E Rear Sight Base

    H&K Heckler & Koch

    $193.95
    H&K HK21E/HK23E Rear Sight Base Genuine HK German rear site base.  Requires post installation machining to accommodate a scope. Compatible With: HK21E HK23E
    HKP-21508
    $193.95
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  • New - H&K VP9SK, VP40SK Backstrap - Small - FDE - HKP-18961 HK VP9SK, VP40SK Backstrap - Small - FDE
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    HK VP9SK, VP40SK Backstrap - Small - FDE

    H&K Heckler & Koch

    $23.95
    H&K VP9SK, VP40SK Backstrap - Small - FDE HK German manufacture. Compatible With: HK VP9SK HK VP40SK
    HKP-18961
    $23.95
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    $23.95
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  • New - H&K HK 45/45C Ambidextrous Right Side Control Lever - Black - HKP-02710
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    HK45, HK45 Compact Ambidextrous Right Side Control Lever

    H&K Heckler & Koch

    $19.95
    New Genuine HK HK45 & HK45C Ambidextrous Right Side Control Lever This is a replacement right-side lever for those who have the ambi control lever installed. Compatible With: HK 45 HK 45 Compact It can also be used on HK USP...
    HKP-02710
    $19.95
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  • New - H&K HK Mark 23 Safety Detent Spring - HKP-01790
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    HK Mark 23 Safety Detent Spring

    H&K Heckler & Koch

    $7.95
    HK Mark 23 Safety Detent Spring  
    HKP-01790
    $7.95
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