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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  • HK45, HK45C, USP Compact Magazine Follower HK45, HK45C, USP Compact Magazine Follower
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    HK45, HK45C, USP Compact Magazine Follower

    H&K Heckler & Koch

    $9.95
    HK USPC, 45, & 45C Magazine Follower A great spare to have on hand as the follower is a wear and replacement part. Do not forget to order spare magazine springs while you are at it. HK German manufacture. Compatible With: HK USPC .45 HK USPC .45...
    $9.95
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  • New - H&K HK USP/USPC/P2000 Magazine Release Lever - Black - HKP-02480
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    HK USP, USP Compact, P2000 Magazine Release Lever

    H&K Heckler & Koch

    $12.95
    HK Magazine Release Lever Compatible With: HK USP .45 HK USP .40 HK USP 9mm HK USP Compact 9mm HK USP Compact .357 SIG HK USP Compact .40 HK USP Compact .45 HK USP Tactical, Elite, Expert both full size & compact HK P2000 9mm & .40/.357 HK...
    $12.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer - HKP-00594
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    HK UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer

    H&K Heckler & Koch

    $20.95
    HK German USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear and replacement item and a must-have for spare parts. Compatible With: HK USC .45 HK UMP models
    $20.95
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  • New - H&K Grip Screw - HKP-01725
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    HK MP5, SP89, HK91, HK93, HK94 Grip Screw

    H&K Heckler & Koch

    $8.95
    H&K Grip Screw New HK grip screw that is now out of production. Great for a spare. Compatible With: HK91 HK93 HK94 SP89
    $8.95
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  • New - GSG9 HK SL8, HK G36 Magazine Release Axle Pin - HKP-18255 HK SL8, G36 Magazine Release Axle Pin
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    HK SL8, G36 Magazine Release Axle Pin

    GSG9

    $10.95
    HK G36 & SL8 Magazine Release Axle - USA Mag release axle for all G36 & SL8 models. A must-have spare part. Made in the USA. Compatible With: G36 G36K G36K SL8 Other custom G36 type builds
    $10.95
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  • New - H&K VP9, HK VP40 Backstrap - Small - Black - HKP-16814 HK VP9, HK VP40 Backstrap - Small - Black
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    HK VP9, HK VP40 Backstrap - Small - Black

    H&K Heckler & Koch

    $29.95
    H&K VP9, HK VP40 Backstrap - Small - Black 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/VP9SK, VP40 Catch Pressure Spring - HKP-16800
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    HK VP9, VP9SK, VP40 Sear Spring

    H&K Heckler & Koch

    $9.95
    H&K VP9/VP9SK, VP40 Catch Pressure Spring Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40
    $9.95
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  • New - H&K HK G36, HK SL8 Ambidextrous Sling Pin - HKP-00619
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    HK G36, SL8 Ambidextrous Sling Pin

    H&K Heckler & Koch

    $49.95
    HK German G36/SL8 Ambidextrous Sling Pin This part replaces all of the HK SL8 or G36 push pins with a loop for the sling. This can be moved to attach a sling on either the left or right sides with ease.
    $49.95
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  • New - H&K MP5 & MP5K 9mm Anti-Rattle Roller Tipped "Paddle" Magazine Release - HKP-00117 HK MP5, MP5K Magazine Release Paddle - Anti-Rattle Roller-Tip - 9mm
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    HK MP5, MP5K Magazine Release Paddle - Anti-Rattle Roller-Tip - 9mm

    H&K Heckler & Koch

    $64.95
    German HK MP5, MP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Factory German Paddle mag release for all 9mm MP5, MP5K HK builds. Our parts are made by HK in Germany and are factory-fresh production. Compatible With: MP5, 94, HK SP5 MP5K, SP89,...
    $64.95
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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...
    $69.95
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  • New - H&K -6 Roller For Bolt Head 7.94mm - Under-sized - HKP-00342 HK -6 Roller For Bolt Head 7.94mm - Under-sized
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    HK -6 Roller For Bolt Head 7.94mm - Under-sized

    H&K Heckler & Koch

    $27.95
    H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...
    $27.95
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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
    $51.95
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