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) Cocking Lever - HKP-01884 HK UMP, USC Cocking Lever
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    HK UMP, USC Cocking Lever

    H&K Heckler & Koch

    $24.95
    HK UMP & USC Cocking Lever New HK German part. Compatible With: HK UMP HK USC
    HKP-01884
    $24.95
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    $24.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Handle Pin - HKP-01885
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    HK UMP, USC Cocking Handle Pin

    H&K Heckler & Koch

    $7.95
    HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USC
    HKP-01885
    $7.95
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    $7.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Complete Trigger Bar Form Spring - HKP-16781 HK VP9, VP9SK, VP40 Trigger Bar Spring - Complete
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    HK VP9, VP9SK, VP40 Trigger Bar Spring - Complete

    H&K Heckler & Koch

    $51.95
    H&K HK VP9/VP9SK, HK VP40 Complete Trigger Bar Form Spring Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40
    HKP-16781
    $51.95
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    $51.95
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  • Out Of Stock
    New - H&K G36K Gas Piston Rod/Spring Assembly - HKP-00284

    HK G36K Rod and Spring - Gas Piston - Assembly

    H&K Heckler & Koch

    $89.95
    New HK German G36K Gas Piston Rod/Spring Assembly Great for spare parts or to use on that HK SL8-G36 conversion.  
    HKP-00284
    $89.95
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  • Out Of Stock
    New - MP5, HK94, MP5K, SP89 & SP5K - Tac Latch - HKP-02792 HK MP5, MP5K, HK94K, SP89, SP5K - Tac Latch

    HK MP5, MP5K, HK94K, SP89, SP5K - Tac Latch

    Other

    $69.95
    New Tac Latch (latest Generation) Paddle Style Magazine Release For The HK94, SP89 & SP5K Family Of Firearms HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto...
    HKP-02792
    $69.95
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  • Out Of Stock
    New - Tac Latch - PTR Spec - HKP-17611 PTR Spec - Tac Latch

    PTR Spec - Tac Latch

    Other

    $69.95
    Tac Latch (latest Generation) PTR Spec - PTR .308 Firearms The new updated style of Tac latch is made specifically for the PTR 91 .308 receiver and will require very little modification to the firearm for installation. A major overhaul of the existing...
    HKP-17611
    $69.95
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  • Out Of Stock
    New - H&K HK USP 9mm/.40 S&W Recoil Rod Assembly - HKP-01458

    HK USP 9mm, .40 S&W Recoil Rod Assembly

    H&K Heckler & Koch

    $64.95
    H&K HK USP 9mm/.40 S&W Recoil Rod Assembly New HK German USP full size USP 9/40 recoil assembly complete. A great spare part to have on hand as the recoil spring is a high-wear item. Compatible With: HK USP 9mm HK USP .40
    HKP-01458
    $64.95
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  • New - H&K HK USP/USPC/45/45C New Style Hammer - HKP-01256
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    HK45, HK45 Compact, USP, USP Compact New Style Hammer

    H&K Heckler & Koch

    $62.95
    H&K HK USP/USPC/45/45C New Style Hammer Will work for USP/USPC variants 1-4, 9 & 10. This part replaces the older HK hammer without the sear cutout (part #214825). Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact...
    HKP-01256
    $62.95
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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) Extractor - HKP-00189 HK33, HK53, HK93 Extractor

    HK33, HK53, HK93 Extractor

    H&K Heckler & Koch

    $67.95
    H&K 93, 53, & 33 (5.56/.223) Extractor A great replacement for your HK or clone. A high wear item that can become worn, chipped, and non-relaible. A must have spare part. German HK factory fresh production.
    HKP-00189
    $67.95
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  • Out Of Stock
    New - H&K Burst Eccentric Bushing - HKP-02647 HK Burst Eccentric Bushing

    HK Burst Eccentric Bushing

    H&K Heckler & Koch

    $54.95
    HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part is one of the most common wear...
    HKP-02647
    $54.95
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  • New - GSG9 HK G36C Gas Piston Rod Spring Assembly - Black - HKP-18250 HK G36C Gas Piston Rod and Spring - Complete Assembly
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    HK G36C Gas Piston Rod and Spring - Complete Assembly

    GSG9

    $82.95
    HK German G36C Gas Piston Rod & Spring Assembly Complete A must have item for HK G36C conversions from SL8's or for spares for your G36C MG. A high wear and replacement part and a must have for spare parts.
    HKP-18250
    $82.95
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  • Out Of Stock
    New - H&K HK USP/45/45C Trigger Bar Detent - HKP-01922

    HK45, HK45 Compact, USP Trigger Bar Detent

    H&K Heckler & Koch

    $5.95
    Trigger Bar Detent Compatible With: HK45, HK45 Tactical HK45C, HK45C Tactical 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 All USP Tactical, Elite & Expert...
    HKP-01922
    $5.95
    Out Of Stock
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    $5.95
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