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 - HK CC9 Magazine Catch Spring - HKP-22107
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    HK CC9 Magazine Catch Spring

    H&K Heckler & Koch

    $5.95
    Heckler and Koch Magazine Catch Spring for HK CC9   This authentic CC9 magazine catch spring applies tension to the magazine catch for secure magazine retention and release. Compatible With: HK CC9  
    HKP-22107
    $5.95
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  • Out Of Stock
    New - KCI HK MP5 Locking Plate - HKP-21377 HK MP5 Magazine Locking Plate - 30 Round

    HK MP5 Magazine Locking Plate - 30 Round

    KCI

    $3.49
    KCI HK MP5 Locking Plate Spare locking plate for KCI MP5 30 round magazines. Compatible With: HK MP5
    HKP-21377
    $3.49
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    $3.49
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  • HK417, MR762 Ejection Port Cover
New - H&K HK MR762/417 Ejection Port Cover - HKP-16598
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    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
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  • New - H&K HK MR762/417 Cylindrical Pin For Stop Pin - HKP-16619
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    HK417, MR762 Cylindrical Pin for Stop Pin

    H&K Heckler & Koch

    $9.95
    H&K HK MR762/417 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: HK MR762 HK 417
    HKP-16619
    $9.95
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  • New - H&K HK 45C LEM Hammer Spring - HKP-15789
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    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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  • New - HK 45/45 Tactical Firing Pin - HKP-02221
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    HK45, HK45T Firing Pin

    H&K Heckler & Koch

    $45.99
    HK 45 & 45 Tactical Firing Pin A must-have spare part for your HK45 pistol. Compatible With: HK45 HK45 Tactical
    HKP-02221
    $45.99
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  • New - H&K P30L .40 S&W Complete Recoil Assembly - HKP-02436 New - H&K P30L .40 S&W Complete Recoil Assembly - HKP-02436
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    HK P30L .40 S&W Complete Recoil Assembly

    H&K Heckler & Koch

    $109.95
    HK P30L .40 S&W Complete Recoil Assembly A genuine German Heckler & Koch part. Spare recoil assemblies are a great help to keep the pistol functioning as it was designed. Compatible With:  HK P30L .40.
    HKP-02436
    $109.95
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  • New - H&K HK P2000/P2000SK Magazine Disconnect Elbow Spring - HKP-02601
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    HK P2000, P2000SK Magazine Disconnect Elbow Spring

    H&K Heckler & Koch

    $9.95
    Heckler and Koch Magazine Disconnect Elbow Spring or HK P2000 and HK P2000SK   Compatible With: P2000 P2000SK
    HKP-02601
    $9.95
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  • New - HK P Series Hammer Axle - HKP-01797 HK P Series Hammer Axle
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    HK P Series Hammer Axle

    H&K Heckler & Koch

    $51.95
    HK P Series Hammer Axle Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SK HK P30 HK P30L HK P30SK
    HKP-01797
    $51.95
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  • New - H&K HK G36 Right Side Lower Hammer Spring - HKP-01857
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    HK G36 Hammer Spring - Right Side

    H&K Heckler & Koch

    $8.95
    HK G36 Right Side Lower Hammer Spring  
    HKP-01857
    $8.95
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  • New - H&K MP5 40/10 -2 Roller - HKP-00336 HK MP5 Locking Roller -2 - .40 S&W, 10mm
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    HK MP5 Locking Roller -2 - .40 S&W, 10mm

    H&K Heckler & Koch

    $19.95
    H&K Heckler and Koch -2 roller HK German for HK MP5 40/10  Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per...
    HKP-00336
    $19.95
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  • New - H&K MP5 40/10 Standard 8mm Roller - HKP-00338 HK MP5 Roller - Standard 8mm - .40 S&W, 10mm
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    HK MP5 Roller - Standard 8mm - .40 S&W, 10mm

    H&K Heckler & Koch

    $20.95
    HK German MP5 40/10 8mm Roller - Factory New Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a...
    HKP-00338
    $20.95
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    $20.95
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