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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  • Used - H&K 90 Series Hammer - MP5/G3/93/53/33 - German - Used - HKP-21442 HK MP5, HK90 Series Hammer - Full Auto - Used
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    HK MP5, HK90 Series Hammer - Full Auto - Used

    H&K Heckler & Koch

    $29.95
    Hammer, Full Auto HK 90 Series Trigger Packs - German HK - Used German HK Hammer- used, surplus in VG-EXC shape and in perfect working order. This hammer is the hammer that is most commonly used in semi auto trigger packs as the secondary sear catch is...
    HKP-21442
    $29.95
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  • New - H&K HK USP Jet Funnel 9mm / .40 S&W Magazine Spring - HKP-02508
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    HK USP Magazine Spring - Jet Funnel - 9mm / .40 S&W

    H&K Heckler & Koch

    $9.95
    HK USP Jet Funnel 9mm / .40 S&W Magazine Spring Latest Production Longer, Stronger Spring For All HK Jet funnel Magazines. Limited supplies are available on this hard-to-find spring. Great replacement for all HK USP jet funnel...
    HKP-02508
    $9.95
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  • New - H&K HK USP/USPC Match Hammer - HKP-02602 HK USP, USP Compact Match Hammer
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    HK USP, USP Compact Match Hammer

    H&K Heckler & Koch

    $103.95
    HK Match Hammer This is the factory-correct match hammer marked with the factory-correct "S" marking on the left-hand side of the hammer. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W...
    HKP-02602
    $103.95
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  • New - H&K German 5.56/.223 & 7.62x51/.308 Hammer Spring - HKP-00194
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    HK Universal Hammer Spring

    H&K Heckler & Koch

    $9.95
    New HK German Rifle Hammer Spring For All.308/.223 Semi & Full Auto Trigger Packs The 308/556 hammer spring is a popular upgrade to replace the hammer spring in 9mm and clones that have light primer hits. This is the factory-correct 25 lb. weight for...
    HKP-00194
    $9.95
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  • New - H&K Ambidextrous Sling Pin O-Ring - HKP-01090
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    Sling Pin O-Ring - Ambi

    H&K Heckler & Koch

    $1.95
    H&K Ambidextrous Sling Pin O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. This item is a common wear/breakage part that does need to be replaced from time to time. This is the part that creates the + seal to keep...
    HKP-01090
    $1.95
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    $1.95
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  • New - H&K HK VP9/VP9SK Cocking Aid Filler Left & Right Set - HKP-17213 HK VP9, VP9SK Cocking Aid Filler Left, Right Set
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    HK VP9, VP9SK Cocking Aid Filler Left, Right Set

    H&K Heckler & Koch

    $19.95
    Cocking Aid Filler Piece Set For - HK VP9, VP9SK HK VP9/VP9SK Filler set replaces the cocking aids for a "flat" cocking area rather than raised cocking aids as comes standard on the HK VP9 pistol. These are a drop in part for the HK VP9 pistol. Brand new...
    HKP-17213
    $19.95
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  • New - HKP HK MP5 Extended Magazine Release - EMR - Streamline - HKP-22175-M HK MP5 Magazine Release - Extended - EMR - Streamline
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    HK MP5 Magazine Release - Extended - EMR - Streamline

    HKP HK Parts

    $44.95
    HKP HK MP5 Extended Magazine Release - EMR - Streamline   Elevate your paddle style mag release with the streamlined extended mag release. Crafted from a solid billet of aircraft-grade aluminum and featuring a hard anodized finish, this lightweight...
    HKP-22175-M
    $44.95
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  • New - HKP HK VP9/VP9SK, VP40 Enhanced Slide Cap - Red - HKP-17857 HK VP9, VP9SK, VP40 Enhanced Slide Cap - Red
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    HK VP9, VP9SK, VP40 Enhanced Slide Cap - Red

    HKP HK Parts

    $29.95
    Enhanced Slide Plate Cover VP9, VP9SK & VP40 - HK Red Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model covers has no firing pin viewing window and is enlarged as MUCH as possible to seal the firearm from dirt and debris. That can enter...
    HKP-17857
    $29.95
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  • New - H&K HK P30/USP/45/45C/P2000 Flat Spring - HKP-01259 HK45, HK45C, P30, P2000 , USP Flat Spring
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    HK45, HK45C, P30, P2000 , USP Flat Spring

    H&K Heckler & Koch

    $9.95
    HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical, Elite, Expert HK USP Compact 9mm HK USP Compact...
    HKP-01259
    $9.95
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  • New - H&K HK P7 Series Firing Pin Spring - HKP-00326
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    HK P7 Series Firing Pin Spring

    H&K Heckler & Koch

    $7.95
    HK P7 Series Firing Pin Spring This item is a great spare to keep on hand, as this item is considered a high-wear item by HK. Compatible With: HK P7 PSP HK P7 M8 HK P7 M10 HK P7 M13  
    HKP-00326
    $7.95
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  • New - H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Spring For Bolt Head - HKP-16274
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    HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Spring for Bolt Head

    H&K Heckler & Koch

    $4.95
    HK Bolt Carrier Bolt Locking Lever Spring New HK German factory bolt carrier locking lever spring for locking lever latch. Compatible With: HK G3, HK91 PTR models HK93, 33, 53 Other clones and custom builds
    HKP-16274
    $4.95
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  • Used - H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Black - Surplus - HKP-17855 HK G3/HK91 Anti-Rattle Mag Release - Surplus
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    HK G3/HK91 Anti-Rattle Mag Release - Surplus

    H&K Heckler & Koch

    $24.95
    H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Surplus Pulled from demilled German HK firearms. Once refinished this item can be made to look like new. For install on all HK .223 & .308 HK Rifles. This is the highly desired...
    HKP-17855
    $24.95
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    $24.95
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