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 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 G36 (5.56/.223) Cocking Handle Bushing - HKP-01869
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    HK G36 Cocking Handle Bushing

    H&K Heckler & Koch

    $9.95
    HK German G36 Cocking Handle Bushing
    HKP-01869
    $9.95
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    $9.95
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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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  • HK CC9 Magazine Locking Plate - 10 Round HK CC9 Magazine Locking Plate - 10 Round
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    HK CC9 Magazine Locking Plate - 10 Round

    H&K Heckler & Koch

    $5.95
    H&K CC9 Magazine Locking Plate - 10 Round Locking plate for H&K CC9 10-round magazines. Secures the floor plate and internal components to the magazine body. Genuine H&K part. Compatible With: HK CC9
    HKP-22149
    $5.95
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  • New - H&K CC9 Firing Pin Spring - HKP-22138
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    HK CC9 Firing Pin Spring

    H&K Heckler & Koch

    $5.95
    H&K CC9 Firing Pin Spring Manufactured by H&K, this firing pin spring for the H&K CC9 pistol applies consistent tension to the firing pin, ensuring reliable ignition. Compatible With: HK CC9  
    HKP-22138
    $5.95
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  • New - H&K CC9 Recoil Spring Support - HKP-22113
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    HK CC9 Recoil Spring Support

    H&K Heckler & Koch

    $5.95
    H&K CC9 Recoil Spring Support   Genuine H&K, this recoil spring support for the CC9 pistol guides and supports the recoil spring during cycling. Compatible With: HK CC9  
    HKP-22113
    $5.95
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  • Out Of Stock
    New - H&K HK G36, HK SL8 Roll Pin for Gas Piston - Black - HKP-16386

    HK G36, SL8 Roll Pin - Gas Piston

    H&K Heckler & Koch

    $9.95
    H&K HK G36, HK SL8 Roll Pin for Gas Piston
    HKP-16386
    $9.95
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  • New - H&K VP9, VP40 Backstrap - Small - FDE - HKP-18118 HK VP9, VP40 Backstrap - Small - FDE
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    HK VP9, VP40 Backstrap - Small - FDE

    H&K Heckler & Koch

    $29.95
    H&K VP9, VP40 Backstrap - Small - FDE New HK German manufacture Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 K
    HKP-18118
    $29.95
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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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    $42.95
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  • New - H&K HK Mark 23 Hammer Spring - HKP-01587
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    HK Mark 23 Hammer Spring

    H&K Heckler & Koch

    $10.95
    HK Mark 23 Hammer Spring
    HKP-01587
    $10.95
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    $10.95
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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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