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 8 Round HK USPC/45C .45 ACP Floorplate w/ Pinky Rest - Black - HKP-01199 HK45C, USPC Magazine Floorplate - .45 ACP - 8 Round - Pinky Rest

    HK45C, USPC Magazine Floorplate - .45 ACP - 8 Round - Pinky Rest

    H&K Heckler & Koch

    $12.95
    H&K 8 Round HK USPC/45C .45 ACP Floorplate w/ Pinky Res HK factory German, vintage style, all polymer 8 round magazine floor plate with finger rest. This floorplate can become cracked and worn with use and is a great spare part to have on hand. Made...
    HKP-01199
    $12.95
    Qty in Cart: 0
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  • New - HKP VP9/VP9L Optic Ready Slide Filler Plate - HKP-21077-M HK VP9, VP9L Optic Plate Cover - Filler Plate

    HK VP9, VP9L Optic Plate Cover - Filler Plate

    HKP HK Parts

    $29.95
    HK VP9 & VP9L Optic Ready Slide Filler Plate - Aluminum Each plate is CNC machined from a solid billet of aircraft-grade aluminum and anodized black. Ultra lightweight and contoured to match the profile and styling of the HK VP series slide. Made in...
    HKP-21077-M
    $29.95
    Qty in Cart: 0
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  • New - H&K 12 Round HK P2000/USPC .40 S&W Magazine Spring - HKP-01481

    HK P2000, USPC Magazine Spring - 12 Round - .40 S&W

    H&K Heckler & Koch

    $5.95
    HK USPC .40 & P2000 40 S&W 12 Round Magazine Spring Newer improved, latest production, upgraded spring designed for a stiffer spring tension required by several US government agencies.  Compatible With: HK P2000 .40 S&W 12-round...
    HKP-01481
    $5.95
    Qty in Cart: 0
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    $5.95
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  • New - HKP MP5 & HK94 Vertical K Grip Adapter - HKP-00175 HK MP5, HK94 Grip Adapter - K Style

    HK MP5, HK94 Grip Adapter - K Style

    E&L MFG

    $49.95
    HK Vertical K Grip Adapter For HK MP5 & HK94 (Adapter Only) This is the adapter needed to add an MP5K K grip to your HK94, MP5, or clone.
    HKP-00175
    $49.95
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  • New - H&K HK 45/45C/USP/USPC/P2000 Slide Release Spring - HKP-01260

    HK45, HK45C, USP, USPC, P2000 Shaped Spring - Slide Release

    H&K Heckler & Koch

    $5.95
    HK Slide Release Spring This is a high-wear item, as it cannot be reused once damaged or removed. It must be replaced with a new spring. Compatible With: HK USP 9mm, .40 & .45 HK USP Compact 9mm, .40 & .45 HK USP Tactical, Elite & Expert...
    HKP-01260
    $5.95
    Qty in Cart: 0
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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

    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...
    HKP-00342
    $27.95
    Qty in Cart: 0
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  • New - H&K HK MR556/MR762/416 Forward Assist Pin - HKP-02662 HK416, MR556, MR762 Forward Assist Pin

    HK416, MR556, MR762 Forward Assist Pin

    H&K Heckler & Koch

    $4.95
    Heckler and Koch's Forward Assist Pin for HK416, HK MR556, and HK MR762 Compatible With: HK416, MR556 HK MR762
    HKP-02662
    $4.95
    Qty in Cart: 0
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    $4.95
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  • New - H&K 33/91/93/53/G3 (5.56/.223) & (7.62x51/.308) Recoil Rod Stop Pin - HKP-01157

    HK33, HK91, G3 Recoil Rod Stop Pin

    H&K Heckler & Koch

    $9.95
    G3, 91, PTR, 93, & 33 Recoil Rod End Cap New HK German recoil rod end cap or stop pin for HK factory recoil rods. This item retains the recoil spring on the recoil rod assembly. A great spare and wear and replacement part. Compatible With: HK G3, 91...
    HKP-01157
    $9.95
    Qty in Cart: 0
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    $9.95
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  • New - H&K SP5K 9mm Drop In Paddle Mag Release Upgrade Kit - HKP-18082 HK SP5K 9mm Drop In Paddle Mag Release Upgrade Kit

    HK SP5K 9mm Drop In Paddle Mag Release Upgrade Kit

    H&K Heckler & Koch

    $129.95
    HKP HK Parts and Heckler and Koch Anti-Rattle Roller Tipped Paddle Magazine Release Kit  No modifications, no refinishing...complete drop-in kit included New HK German and USA made paddle mag release kit for the HK SP5K. This kit will allow any...
    HKP-18082
    $129.95
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  • New - H&K HK USP Series Old Style Firing Pin Block Spring - HKP-02149

    HK USP Series Firing Pin Block Spring - Old Style

    H&K Heckler & Koch

    $9.95
    HK USP Series Old Style Firing Pin Block Spring In order to use the new firing pin block spring, you also have to upgrade the firing pin, firing pin block, as well as the firing pin block spring. HK part #214192 has been replaced with...
    HKP-02149
    $9.95
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  • New - H&K Elbow Spring Spacer For Full-Auto - HKP-03330 HK MP5SF Elbow Spring Bushing Sleeve

    HK MP5SF Elbow Spring Bushing Sleeve

    H&K Heckler & Koch

    $5.95
    Heckler and Koch replacement distance sleeve for MP5SF elbow spring with roller  Features: Precision-machined elbow spring and roller used in traditional roller-delayed trigger packs. Original HK design ensures perfect trigger geometry, smooth...
    HKP-03330
    $5.95
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  • New - B&T Ambidextrous Sling Pin - Small - HKP-16886 B&T Ambidextrous Sling Pin - Small

    B&T Ambidextrous Sling Pin - Small

    B&T Brugger & Thomet

    $58.95
    B&T Ambidextrous Sling Pin - Small Replaces the small push pin to allow a sling attachment point on either the left or right side of the firearm. Each measures: 6x29mm with rubber o-ring and net screw.
    HKP-16886
    $58.95
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