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 UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Left - HKP-01898
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    HK UMP, USC Hammer Spring - Left

    H&K Heckler & Koch

    $13.95
    HK UMP & USC - Left Side Hammer Spring For All Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With:  HK UMP models 45, .40, & 9mm. USC .45 and other conversion...
    $13.95
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  • On Sale
    New - MKE Roller Retainer Plate for Rollers - HKP-22235 MKE Roller Retainer Plate for Rollers MKE HKP-22235
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    HK MP5, 90 Series Holder Plate for Locking Rollers

    MKE

    Now: $24.95
    Was: $29.95
    MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...
    Now: $24.95
    Was: $29.95
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    Now: $24.95
    Was: $29.95
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  • Out Of Stock
    New - H&K CC9 Firing Pin Spring Retainer - HKP-22139

    HK CC9 Firing Pin Spring Retainer

    H&K Heckler & Koch

    $5.95
    H&K CC9 Firing Pin Spring Retainer Manufactured in Germany by H&K, this part secures the firing pin spring to the firing pin assembly, ensuring proper striker function during cycling. Compatible With: HK CC9    
    $5.95
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    $5.95
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  • New - H&K CC9 Slide Cover Plate - HKP-22135
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    HK CC9 Slide Cover Plate

    H&K Heckler & Koch

    $9.95
    H&K CC9 Slide Cover Plate Made in Germany by H&K, the slide cover plate for the CC9 pistol retains the firing pin assembly within the slide. Compatible With: HK CC9  
    $9.95
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  • Out Of Stock
    New - H&K CC9 Extractor - HKP-22129

    HK CC9 Extractor

    H&K Heckler & Koch

    $19.95
    H&K CC9 Extractor Replacement extractor for the CC9 pistol. Removes spent casings and functions as a visual and tactile loaded chamber indicator. Compatible With: HK CC9  
    $19.95
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  • New - H&K CC9 Magazine Catch - HKP-22106
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    HK CC9 Magazine Catch

    H&K Heckler & Koch

    $16.95
    H&K CC9 Magazine Catch   Genuine H&K magazine catch for the CC9 pistol engages and locks the magazine in place while allowing for the quick release during reloads. Compatible With: HK CC9  
    $16.95
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  • New - H&K MR762 A4 1.1mm Gas Vent Screw - HKP-21946
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    HK MR762 A4 Gas Vent Screw - 1.1mm

    H&K Heckler & Koch

    $32.95
    H&K MR762 A4 1.1mm Gas Vent Screw German 1.1mm gas vent screw for MR762 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4
    $32.95
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  • New - H&K MR762 A4 1.2mm Gas Vent Screw - HKP-21945
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    HK MR762 A4 Gas Vent Screw - 1.2mm

    H&K Heckler & Koch

    $32.95
    H&K MR762 A4 1.2mm Gas Vent Screw German 1.2mm gas vent screw for MR762 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4
    $32.95
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  • New - B&T Extractor Kit for B&T Pistol Caliber Firearms - HKP-21741
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    B&T Pistol Extractor Kit

    B&T Brugger & Thomet

    $55.00
    B&T Extractor Kit for B&T Pistol Caliber Firearms Factory B&T extractor kit for B&T pistol caliber firearms. This kit includes ciritical spare extractor components to keep your B&T running at the range or in the field...
    $55.00
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  • Used - H&K VP9SK Left Side Grip Panel - Large - OD Green - HKP-18968 HK VP9SK Left Side Grip Panel - Large - OD Green
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    HK VP9SK Left Side Grip Panel - Large - OD Green

    H&K Heckler & Koch

    $16.95
    H&K VP9SK Left Side Grip Panel - Large - OD Green New HK German manufactured. Left side large 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 VP9SK Left Side Grip Panel - Small - OD Green - HKP-18957 HK VP9SK Left Side Grip Panel - Small - OD Green
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    HK VP9SK Left Side Grip Panel - Small - OD Green

    H&K Heckler & Koch

    $19.95
    H&K VP9SK Left Side Grip Panel - Small - OD Green New HK German manufactured. Left side small size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK
    $19.95
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  • New - H&K VP9SK Right Side Grip Panel - Large - FDE - HKP-18974 HK VP9SK Right Side Grip Panel - Large - FDE
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    HK VP9SK Right Side Grip Panel - Large - FDE

    H&K Heckler & Koch

    $16.95
    H&K VP9SK Right Side Grip Panel - Large - FDE New HK German manufactured. Right side large 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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