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 HK P2000/P2000SK/45/45C Slim Slide Release Lever Set - HKP-02388 HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever Set
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    HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever Set

    H&K Heckler & Koch

    $89.95
    HK P2000, P2000SK, 45 & 45C Slim Slide Release Lever Set This set provides a lower profile slide release for those who conceal carry or ride the slide and prefer a lower profile slide release. Factory Standard Slide Release Lever: Left...
    HKP-02388
    $89.95
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  • Used - H&K 91/G3 (7.62x51/.308) Firing Pin - Used - HKP-16710
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    HK91, G3 Firing Pin - Used

    H&K Heckler & Koch

    $6.95
    H&K 91/G3 (7.62x51/.308) Firing Pin - Used Great for spares as this is a common wear item. Compatible With: HK G3 & HK 91, PTR or clone rifles
    HKP-16710
    $6.95
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  • New - H&K MP5, 94 Cocking Tube Support Spring - HKP-01104
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    HK MP5, HK94 Cocking Tube Support Spring

    H&K Heckler & Koch

    $6.95
    Heckler and Koch HK MP5, HK94 Cocking Tube Support Spring   A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable the detent to lock into...
    HKP-01104
    $6.95
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  • New - H&K HK USP 9mm/.40 S&W Complete Recoil Assembly - HKP-01475
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    HK USP 9mm, .40 S&W Complete Recoil Assembly

    H&K Heckler & Koch

    $79.95
    New HK USP 9mm & .40 Cal Tactical Recoil Spring With Buffer Assembly - Complete This is a great spare or replacement item to have on hand, it is the factory OEM HK part for Tactical models. Each recoil rod assembly was designed to be used for heavy...
    HKP-01475
    $79.95
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  • New - H&K HK 45C/USPC/P2000/P30 Recoil Rod Bushing Sleeve - HKP-01765
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    HK45 Compact, USP Compact, P2000, P30 Recoil Rod Bushing Sleeve

    H&K Heckler & Koch

    $6.95
    Recoil Rod Bushing Sleeve  It is a must-have spare part to have on hand as this is a high-wear item. Compatible With: HK 45 Compact, HK45C Tactical HK USP Compact 9mm HK USP Compact .40 & .357 Sig HK USP Compact .45 ACP HK P2000...
    HKP-01765
    $6.95
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  • New - H&K HK P30, P30L, P30S, USPC, P2000 - 9mm Recoil Spring - HKP-01560
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    HK P30, P30L, P30S, USP Compact, P2000 - 9mm Recoil Spring

    H&K Heckler & Koch

    $34.95
    Recoil Spring New HK German manufacture recoil spring for guide rod. A must-have spare part and a common consumable item. Compatible With: USP Compact 9mm P2000 9mm P30, P30L & P30S 9mm models
    HKP-01560
    $34.95
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  • New - Lazy Wolf HK Reduced Power Hammer Spring - 12 lb. - HKP-18148
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    HK USP, P30, HK45 Hammer Spring - Reduced Power - 12 lb.

    Lazy Wolf

    $9.95
    Lazy Wolf HK Reduced Power Hammer Spring - 12 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG...
    HKP-18148
    $9.95
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  • New - H&K HK USP/45 LEM & Standard Models New Style Sear Catch - HKP-01803
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    HK45, USP Sear Catch - New Style, LEM, Standard

    H&K Heckler & Koch

    $19.95
    HK USP & 45 LEM & Standard Models New Style Sear Catch This is the new style catch to convert older USP models to the newer style catch and is needed for the LEM conversions. It is also known as the USP match catch. Compatible...
    HKP-01803
    $19.95
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  • Out Of Stock
    New - H&K HK MR556/416 Ejection Port Spring - HKP-02616

    HK416, MR556 Ejection Port Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR556/416 Ejection Port Spring Compatible With: HK MR556 HK 416
    HKP-02616
    $9.95
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  • New - HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Floor Plate - HKP-18921 HK91, G3, PTR Magazine Floorplate - 7.62x51 / .308 - 20 Round
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    HK91, G3, PTR Magazine Floorplate - 7.62x51 / .308 - 20 Round

    $19.95
    HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Floor Plate USA made floor plate for HK 91, G3, PTR 91 20-Round Steel and Aluminum Magazines. This floor plate is made in the USA and counts as one US made compliant part needed for builds and conversions...
    HKP-18921
    $19.95
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  • New - H&K HK P30SK Slim Short Slide Release Lever Set - HKP-18028
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    HK P30SK Slim Short Slide Release Lever Set

    H&K Heckler & Koch

    $89.95
    HK P30SK Slim/Short Slide Release Lever - German HK HK manufactured P30SK slimline style slide release set. This set replaces the factory P30SK stock slide release set that comes from the factory. The slim style set is shorter and thinner in design for...
    HKP-18028
    $89.95
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  • Used - H&K Full Auto Paddle Magazine Release Bushing HK German - Used - HKP-02303
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    HK MP5, SP5, HK90 Series Paddle Mag Release Bushing - Full Auto - Used

    H&K Heckler & Koch

    $4.95
    H&K Full Auto Paddle Magazine Release Bushing HK German - Used This part is for use in all 90-series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is not for use on semi-auto HK builds. This part is used for...
    HKP-02303
    $4.95
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    $4.95
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