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 USP Series/45/45C V7 LEM Hammer Axle - HKP-01929
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    HK45, HK45 Compact, HK USP Series V7 LEM Hammer Axle

    H&K Heckler & Koch

    $49.95
    HK USP Series/45/45C V7 LEM Hammer Axle   Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Compact 45 HK USP Compact 40 HK USP Compact 9mm HK USP Compact 357 HK45 HK45 Compact
    HKP-01929
    $49.95
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  • Out Of Stock
    New - H&K G36/SL8 Dual/Single Optic Front Sight Screw - Extended - HKP-00801

    HK G36, SL8 Front Sight Screw - Dual and Single Optics - Extended

    H&K Heckler & Koch

    $9.95
    Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic.   Compatible With: HK G36 HK SL8
    HKP-00801
    $9.95
    Out Of Stock
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    $9.95
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  • On Sale
    New - MKE -4 Roller for Bolt Head 7.96mm - Under-sized - HKP-22238 MKE -4 Roller for Bolt Head 7.96mm - Under-sized MKE HKP-22238
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    HK 90 Series Locking Roller for Bolt Head - 7.96mm

    MKE

    Now: $22.95
    Was: $28.95
    MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...
    HKP-22238
    Now: $22.95
    Was: $28.95
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    Now: $22.95
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  • New - H&K CC9 Slide Release - HKP-22124
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    HK CC9 Slide Release

    H&K Heckler & Koch

    $46.95
    Heckler and Koch Slide Release for HK CC9 Factory slide release manufactured by Heckler and Koch for the CC9 platform. Allows manual release of the slide and engages the slide stop after the last round when used with an empty magazine. Compatible...
    HKP-22124
    $46.95
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  • New - H&K CC9 Slide Release Pin - HKP-22121
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    HK CC9 Slide Release Pin

    H&K Heckler & Koch

    $5.95
    H&K CC9 Slide Release Pin Genuine H&K CC9 slide release pin secures the slide release lever to the frame. Compatible With: HK CC9  
    HKP-22121
    $5.95
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  • Out Of Stock
    New - B&T APC9 Selector Position Lock Spring - HKP-21764 B&T APC9 Selector Position Lock Spring

    B&T APC9 Selector Position Lock Spring

    B&T Brugger & Thomet

    $4.95
    B&T APC9 Selector Position Lock Spring Compatible With: APC Series Standard receiver Glock receiver Sig receiver
    HKP-21764
    $4.95
    Out Of Stock
    Qty in Cart: 0
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    $4.95
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  • Out Of Stock
    New - H&K HK SL8-1 Clamping Sleve - HKP-16401

    HK SL8-1 Safety Clamping Sleeve

    H&K Heckler & Koch

    $8.95
    H&K HK SL8-1 Clamping Sleve
    HKP-16401
    $8.95
    Out Of Stock
    Qty in Cart: 0
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    $8.95
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  • New - H&K HK MR762/417 Plate For Charging Handle - HKP-16843 HK417, MR762 Charging Handle Plate
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    HK417, MR762 Charging Handle Plate

    H&K Heckler & Koch

    $19.95
    HK MR762, HK417 Plate For Charging Handle Compatible With: HK MR762 HK417
    HKP-16843
    $19.95
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  • New - H&K HK MR762/417 Hammer Axle - HKP-16622
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    HK417, MR762 Hammer Axle

    H&K Heckler & Koch

    $13.95
    H&K HK MR762/417 Hammer Axle   Compatible With: HK MR762 HK 417
    HKP-16622
    $13.95
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  • New - HK G41 Recoil Rod Spring - HKP-02051
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    HK G41 Recoil Rod Spring

    H&K Heckler & Koch

    $39.95
    HK G41 Recoil Rod Spring
    HKP-02051
    $39.95
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    $39.95
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  • New - H&K HK 45C Hammer Strut - HKP-02217
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    HK45 Compact Hammer Strut

    H&K Heckler & Koch

    $11.95
    Heckler and Koch HK45 Compact Hammer Strut Replacement hammer strut designed for the HK45 Compact pistol. Intended for maintenance or repair of compatible hammer assemblies to ensure proper operation. Compatible With: HK45 Compact
    HKP-02217
    $11.95
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  • New - H&K HK Mark 23 Sear Block - HKP-01779 HK Mark 23 Sear Block
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    HK Mark 23 Sear Block

    H&K Heckler & Koch

    $19.95
    HK Mark 23 Sear Block
    HKP-01779
    $19.95
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    $19.95
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