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 - RCM MP5 40/10 Extractor - HKP-01969 HK MP5 Extractor - .40 S&W, 10mm

    HK MP5 Extractor - .40 S&W, 10mm

    RCM

    $34.95
    RCM US Made Extractor for HK MP5 .40 S&W and 10mm This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.
    HKP-01969
    $34.95
    Qty in Cart: 0
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  • New - H&K CC9 Extractor Spring - HKP-22130

    HK CC9 Extractor Spring

    H&K Heckler & Koch

    $5.95
    H&K CC9 Extractor Spring Made by H&K, the extractor spring for the cc9 pistol provides spring tension to the extractor for reliable cartridge extractions. Compatible With: HK CC9  
    HKP-22130
    $5.95
    Qty in Cart: 0
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  • New - Heckler and Koch HK MR762, HK417 Cartridge Extractor - HKP-16842

    HK417, MR762 Cartridge Extractor

    H&K Heckler & Koch

    $94.95
    Heckler and Koch Cartridge Extractor for HK417, MR762    Compatible With: HK417, MR762
    HKP-16842
    $94.95
    Qty in Cart: 0
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  • HK417, MR762 Ejection Port Cover
New - H&K HK MR762/417 Ejection Port Cover - HKP-16598

    HK417, MR762 Ejection Port Cover

    H&K Heckler & Koch

    $42.95
    H&K HK MR762/417 Ejection Port Cover New HK German polymer .308 style MR762, HK 417 & G28 firearms. Compatible With: HK MR762 HK 417 HK G28 Other HK Spec .308 firearms
    HKP-16598-M
    $42.95
    Qty in Cart: 0
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  • New - H&K HK 45C LEM Hammer Spring - HKP-15789

    HK45 Compact LEM Hammer Spring

    H&K Heckler & Koch

    $9.95
    Hammer Spring For HK 45C LEM Models This hammer spring is the factory correct LEM hammer spring for the HK45C and HK45CT. This is the spring needed to use any other variant of LEM kit to be complete to be used on the HK45C pistol. This is also a great...
    HKP-15789
    $9.95
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  • Out Of Stock
    New - H&K HK 45/45C V4 LH Decock Only Lever - HKP-02707

    HK45, HK45 Compact V4 LH Decock Only Lever

    H&K Heckler & Koch

    $29.95
    HK 45 & 45C V4 LH Decock Only Lever The V4 lever is for the right side of the frame for a left-handed shooter.  This lever is to be used in conjunction with the V3/4 detent plate found below. Detent...
    HKP-02707
    $29.95
    Qty in Cart: 0
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  • New - H&K HK 45/45C Extractor - HKP-01298

    HK45, HK45 Compact Extractor

    H&K Heckler & Koch

    $49.95
    German HK45 & HK45C Extractor - New A great spare and replacement part to have. Compatible With: HK45 Tactical HK45 HK45 Compact Tactical HK45 Compact
    HKP-01298
    $49.95
    Qty in Cart: 0
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  • New - H&K HK USPC Variant 4 Right Decock Control Lever - Black - HKP-02264

    HK USP Compact Variant 4 Right Decock Control Lever

    H&K Heckler & Koch

    $34.95
    USPC - Decock Lever V4 - Decock Only Compatible with all USP Compact pistols and provides the V4 Decock ONLY (no safety function) when used with the Variant 3 & 4 Detent Plate. This is the correct lever for those who are "left-handed"...
    HKP-02264
    $34.95
    Qty in Cart: 0
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  • New - H&K HK MR556/MR762/416/417 Long Disconnector Spring - HKP-16774

    HK416, HK417, MR556, MR762 Long Disconnector Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR556/MR762/416/417 Long Disconnector Spring HK German manufactured disconnector spring. This is the longer of the 2 springs found in the trigger/sear assembly. Compatible With: HK MR556 HK 416 HK MR762 HK 417
    HKP-16774
    $9.95
    Qty in Cart: 0
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  • Out Of Stock
    New - H&K USC (.45 ACP) Carbine Mag Release Axle - HKP-02584

    HK USC Magazine Release Axle

    H&K Heckler & Koch

    $18.95
    Heckler and Koch .45 ACP Magazine Release Axle for HK USC Replacement magazine release axle for HK USC .45 ACP platforms. This component is commonly replaced due to wear or breakage and may also be required when configuring compliant magazine release...
    HKP-02584
    $18.95
    Qty in Cart: 0
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